SONY WH-H900N (02) PDF MANUAL

The headset uses BLUETOOTH® wireless technology, allowing you to:

Listening to music: You can receive audio signals from a smartphone or music player to enjoy music wirelessly.

Talking on the phone: You can make and receive calls hands-free, while leaving your smartphone or mobile phone in your bag or pocket.

You hear the following voice guidance messages via the headset in these situations:

When powering on: “Power on”

When powering off: “Power off”

When entering pairing mode: “BLUETOOTH pairing”

When establishing a BLUETOOTH connection: “BLUETOOTH connected”

When disconnecting a BLUETOOTH connection: “BLUETOOTH disconnected”

When checking the remaining battery charge: “Battery level high” / “Battery level medium” / “Battery level low”

When automatically turning off due to the low battery condition: “Please recharge headset”

When turning on the noise canceling function: “Noise canceling”

When turning on the Ambient Sound Mode: “Ambient sound”

When turning off the noise canceling function and the Ambient Sound Mode: “Off”

After opening the package, check that all items in the list are included. If items are missing, contact your dealer. Numbers in ( ) indicate the item amount.

Wireless Noise Canceling Stereo Headset (1)

Micro-USB cable (approx. 50 cm (19 3/4 in.)) (1)

Headphone cable (approx. 1.2 m (47 1/4 in.)) (1)

Carrying pouch (1)

Reference Guide (1)

Operating Instructions (1)

Other documents (1 set) (*)

* May not be supplied in some countries or regions.

You can fold the headset from either the right side or left side by rotating the earcup inwards.

1. L mark: Indicates the left side.

2. Slider: Slide to adjust the length of the headband.

3. Left unit

4. Built-in antenna: A BLUETOOTH antenna is built into the headset.

5. N-mark: Used for NFC connection.

6. Headband

7. R mark: Indicates the right side.

8. Right unit

9. Tactile dot: The left unit has a tactile dot for identification.

10. Touch sensor control panel: Located on the right unit for controlling playback and calls.

11. (power) button: Press and hold to turn the headset on or off.

12. Indicator (blue/red): Lights up in red or blue to indicate the power or communication status of the headset. Lights up in red during charging.

13. NC/AMBIENT (noise canceling/Ambient Sound Mode) button: Press to cycle through noise canceling, Ambient Sound Mode, and off.

14. Indicator (green/yellow): Green shows the noise canceling status. Yellow shows the Ambient Sound Mode status.

15. Micro-USB port: Connect a computer to this port with the supplied micro-USB cable to charge the headset.

16. INPUT jack: Connect a music player, etc. to this jack by using the supplied headphone cable. Make sure that you insert the plug of the music player until it clicks. Otherwise, you may not hear the sound normally.

17. Microphone: Picks up the sound of your voice (when talking on the phone) and noise (when using the noise canceling function). Use both microphones of the left and right units when talking on the phone.

The indicators show various statuses: (Blue: , Red: , Green: , Yellow: , Off: -)

Indicator (blue/red) next to the power button:

Turning on: (flashes blue two times)

Turning off: (lights blue for about two seconds then turns off)

BLUETOOTH status indication:

Pairing mode: – (blue and red flash alternately)

Not connected: – – (blue flashes at about one-second intervals)

Connection process completed: (blue flashes quickly for about five seconds)

Connected: – – – (blue flashes at about five-second intervals)

Incoming call: (blue flashes rapidly)

Remaining battery charge indication (when powered on):

High: – – (red flashes three times)

Medium: – – (red flashes two times)

Low (needs to charge): (red flashes once)

Charging:

While charging: (lights red)

Other:

Initialization completed: (blue flashes four times)

Indicator next to the NC/AMBIENT button:

Noise canceling function (green):

Noise canceling on: (lights green)

Noise canceling off: – – – – (green flashes slowly)

Ambient Sound Mode (yellow):

Ambient Sound Mode: (lights yellow)

Quick Attention Mode: – – – – (yellow flashes)

Hint: When the remaining battery charge becomes low, the power indicator turns from blue to red, except during pairing mode.

The headset contains a lithium-ion rechargeable battery. Charge the headset using the supplied micro-USB cable.

1. Connect the supplied micro-USB cable to the headset’s micro-USB port.

2. Connect the other end of the micro-USB cable to a booted computer.

The indicator (red) of the headset lights up.

Charging is completed in about 6 hours (*) and the indicator (red) goes off automatically.

* Time required for charging the empty battery to its full capacity. The time may be different depending on the conditions of use.

After charging is complete, disconnect the micro-USB cable.

Hints:

You can use the headset by connecting the supplied headphone cable, even while charging the headset.

If charging starts while the headset is turned on, the headset will turn off automatically.

Notes:

If the headset is not used for a long time, the battery may be quickly depleted, however, after a few recharges, the battery life will improve.

If you store the headset for a long time, charge the battery to its full capacity once every 6 months to avoid over-discharge.

If the headset is not used for a long time, it may take longer to charge the battery.

If the computer enters hibernation mode while connected, charging will not complete properly. Check computer settings. The indicator (red) will go off if the computer enters hibernation. Charge again.

The headset cannot be operated (turning on, pairing, etc.) while charging or if kept connected after charging.

The noise canceling function cannot be used while charging or if kept connected after charging.

If the headset detects a problem (e.g., temperature outside 5 °C – 35 °C or battery issue), the indicator (red) may turn off. Charge again within the temperature range. If problems persist, consult your dealer.

If the headset isn’t used for a long time, the indicator (red) might not light up immediately. Wait a few minutes without disconnecting the cable.

If battery life drops significantly, it should be replaced. Consult your dealer.

Avoid exposure to extremes (temperature, sunlight, moisture, sand, dust, shock). Don’t leave it in a parked car.

Use only the supplied micro-USB cable and connect directly to a computer. Charging via a USB hub may not complete properly.

The available operating times on a fully-charged battery are as follows:

BLUETOOTH connection – Music Playback time:

Codec	DSEE HX	Noise canceling function/Ambient Sound Mode	Available operating time
Qualcomm aptX™ audio/aptX HD/LDAC™	AUTO/OFF	Noise canceling function: ON	Max. 24 hours
		Ambient Sound Mode: ON	Max. 24 hours
	AUTO/OFF	OFF	Max. 30 hours
SBC/AAC	AUTO	Noise canceling function: ON	Max. 22 hours
		Ambient Sound Mode: ON	Max. 22 hours
		OFF	Max. 28 hours
	OFF	Noise canceling function: ON	Max. 28 hours
		Ambient Sound Mode: ON	Max. 28 hours
		OFF	Max. 34 hours

* About 65 minutes of music playback is possible after 10 minutes charging.

BLUETOOTH connection – Communication time:

Noise canceling function/Ambient Sound Mode	Available operating time
Noise canceling function: ON	Max. 28 hours
Ambient Sound Mode: ON	Max. 28 hours
OFF	Max. 34 hours

BLUETOOTH connection – Standby time:

Noise canceling function/Ambient Sound Mode	Available operating time
Noise canceling function: ON	Max. 48 hours
Ambient Sound Mode: ON	Max. 48 hours
OFF	Max. 200 hours

Wired connection (Power on):

Noise canceling function/Ambient Sound Mode	Available operating time
Noise canceling function: ON	Max. 40 hours
Ambient Sound Mode: ON	Max. 40 hours
OFF	Max. 70 hours

Note: Usage hours may be different depending on the settings and conditions of use.

Hint: By using the “Sony | Headphones Connect” app, you can check which codec is used for a connection or switch the DSEE HX function.

You can check the remaining battery charge of the rechargeable battery.

Using the button and indicator:

When you turn on the headset or press the power button while the headset is on, the indicator (blue) flashes two times, then the indicator (red) flashes to indicate the remaining charge:

3 times (Red flash): High

2 times (Red flash): Medium

1 time (Red flash): Low (needs to charge)

Using voice guidance:

You also hear voice guidance of the remaining battery charge when turning on or pressing the power button:

“Battery level high”

“Battery level medium”

“Battery level low”

When the battery is almost empty:

The indicator turns red. When the battery becomes empty, the headset sounds a warning beep, you hear voice guidance “Please recharge headset”, and the headset turns off automatically.

Using an iPhone or iPod touch:

When the headset is connected to an iPhone or iPod touch (iOS 5.0 or later) that supports HFP (Hands-free Profile), it will show an icon on the screen that indicates the remaining battery charge of the headset.

The icon represents the following levels:

B: 100% to 70%

C: 70% to 50%

D: 50% to 20%

E: 20% or lower (needs to charge)

Note: If you connect the headset to an iPhone or iPod touch with “Media audio” (A2DP) only in a multi-point connection, the remaining battery charge will not be displayed correctly.

Hint: You can also check the remaining battery charge with the “Sony | Headphones Connect” app. Android smartphones and iPhone/iPod touch support this app.

The headset should be charged before first use. A Personal Computer with a pre-installed compatible operating system and a USB port is required:

When using Windows®:

Windows® 10 Home / Windows® 10 Pro

Windows® 8.1 / Windows® 8.1 Pro

Windows® 8 / Windows® 8 Pro

Windows® 7 Home Basic / Home Premium / Professional / Ultimate

When using Mac:

Mac OS X (version 10.9 or later)

Note:

Sony does not guarantee proper operation in all system environments.

When using Windows 8.1, update using Windows Update.

Press and hold the power button for about 2 seconds until the indicator (blue) flashes. You will hear the voice guidance “Power on”.

Press and hold the power button for about 2 seconds until the indicator (blue) turns off. You will hear the voice guidance “Power off”.

You can enjoy music and hands-free calling wirelessly using your device’s BLUETOOTH function.

Device registration (pairing):

When using the BLUETOOTH function for the first time, you must pair the devices. If your device supports NFC, you can simply touch the devices together. If not, you need to perform manual pairing.

Connecting the headset to a registered (paired) device:

Once paired, you don’t need to pair again unless pairing information is deleted. Connect using the appropriate method for your device (NFC or manual connection).

By touching the headset with an NFC-compatible smartphone (Android 4.1 or later), the headset turns on automatically, pairs, and establishes a BLUETOOTH connection.

1. Unlock the screen of the smartphone if it is locked.

2. Enable the NFC function on your smartphone. Typically found under [Setting] – [More] or similar connection settings.

3. Touch the smartphone to the N-Mark on the left unit of the headset. Keep touching until the smartphone reacts.

Refer to your smartphone’s operating instructions for the designated NFC touch location.

4. Follow any on-screen instructions to complete the pairing and connection.

When connected, the blue indicator on the headset starts flashing slowly, and you hear voice guidance “BLUETOOTH connected”.

To disconnect: Touch the smartphone to the N-Mark again.

To connect a paired smartphone: Perform step 3 again.

Hints:

If connection fails, unlock the screen and move the smartphone slowly over the N-Mark. Remove any case from the smartphone.

Touching an NFC smartphone to the headset while it’s connected to another device will switch the connection to the touched smartphone (One-touch connection switching).

You can disconnect the headset from the connected smartphone by touching the headset with it.

1. Unlock the screen of the smartphone if it is locked.

2. Touch the smartphone on the N-Mark of the headset. You hear voice guidance “BLUETOOTH disconnected”.

Note: After disconnection, if no operation is performed for about 5 minutes, the headset turns off automatically. To turn it off sooner, press and hold the power button for about 2 seconds (“Power off” voice guidance).

When the headset is connected with a BLUETOOTH device, if you touch an NFC-compatible smartphone on the headset, the headset connects with the smartphone that touched it most recently (One-touch connection switching). However, you cannot switch if you are currently talking on a BLUETOOTH mobile phone connected to the headset.

When the headset is connected with an NFC-compatible smartphone, if you touch that smartphone to another NFC-compatible BLUETOOTH headset or speaker, the smartphone disconnects from the current headset and connects to the other device it touched.

Note: Unlock the screen of the smartphone if it is locked before touching.

Before starting:

Ensure the smartphone is within 1 m (3 feet).

Ensure the headset is sufficiently charged.

Have the smartphone’s operating instructions available.

1. Enter pairing mode on the headset:

If pairing for the first time or after initialization, turn on the headset; it enters pairing mode automatically.

To pair a second or subsequent device, turn off the headset, then press and hold the power button for about 7 seconds. Release the button when the indicator flashes blue and red alternately. You hear voice guidance “BLUETOOTH pairing”.

2. Unlock the screen of the Android smartphone if it is locked.

3. Search for the headset on the smartphone:

Go to [Setting] – [Bluetooth].

Turn on the BLUETOOTH function if it’s off.

4. Touch [WH-H900N (h.ear)] from the list of available devices.

If passkey input is required, enter “0000”.

The headset and smartphone will pair and connect. You hear voice guidance “BLUETOOTH connected”.

If connection fails, see “Connecting to a paired Android smartphone”. If [WH-H900N (h.ear)] doesn’t appear, retry from step 1.

Note: Pairing mode cancels after about 5 minutes if not completed. The headset can pair with up to 8 devices. Pairing a 9th device replaces the oldest pairing. If pairing info is deleted or the headset is initialized, re-pairing is necessary.

1. Unlock the screen of the Android smartphone if it is locked.

2. Turn on the headset by pressing and holding the power button for about 2 seconds. The indicator (blue) flashes. You hear “Power on”.

If the headset automatically connects to the last connected device, you hear “BLUETOOTH connected”. Check the connection status on the smartphone.

If not automatically connected, proceed to step 3.

3. Display paired devices on the smartphone:

Go to [Setting] – [Bluetooth].

Ensure the BLUETOOTH function is on.

4. Touch [WH-H900N (h.ear)] from the list of paired devices.

You hear voice guidance “BLUETOOTH connected”.

Hint: If the smartphone was connected last time, an HFP/HSP connection is made on power-up. Double-tap the center of the right touch sensor control panel lightly (about 0.4-second interval) to make an A2DP connection (music playback).

Note: If the last connected device is nearby, the headset might connect automatically. If unwanted, turn off Bluetooth on that device or power it off. If connection fails, ensure pairing exists on the smartphone and try pairing again.

Before starting:

Ensure the iPhone is within 1 m (3 feet).

Ensure the headset is sufficiently charged.

Have the iPhone’s operating instructions available.

1. Enter pairing mode on the headset:

If pairing for the first time or after initialization, turn on the headset; it enters pairing mode automatically.

To pair a second or subsequent device, turn off the headset, then press and hold the power button for about 7 seconds. Release the button when the indicator flashes blue and red alternately. You hear voice guidance “BLUETOOTH pairing”.

2. Unlock the screen of the iPhone if it is locked.

3. Select the BLUETOOTH setting on the iPhone:

Go to [Settings].

Touch [Bluetooth].

Turn on the BLUETOOTH function if it’s off.

4. Touch [WH-H900N (h.ear)] from the “OTHER DEVICES” list.

If passkey input is required, enter “0000”.

The headset and iPhone will pair and connect. You hear voice guidance “BLUETOOTH connected”.

If connection fails, see “Connecting to a paired iPhone”. If [WH-H900N (h.ear)] doesn’t appear, retry from step 1.

Note: Pairing mode cancels after about 5 minutes. The headset pairs with up to 8 devices. Pairing a 9th replaces the oldest. If pairing info is deleted from the iPhone or headset is initialized, delete the pairing info from the iPhone and pair again.

1. Unlock the screen of the iPhone if it is locked.

2. Turn on the headset by pressing and holding the power button for about 2 seconds. The indicator (blue) flashes. You hear “Power on”.

If the headset automatically connects to the last connected device, you hear “BLUETOOTH connected”. Check the connection status on the iPhone.

If not automatically connected, proceed to step 3.

3. Display paired devices on the iPhone:

Go to [Settings] – [Bluetooth].

Ensure the BLUETOOTH function is on.

4. Touch [WH-H900N (h.ear)] from the “MY DEVICES” list.

You hear voice guidance “BLUETOOTH connected”.

Hint: If the iPhone was connected last time, an HFP/HSP connection is made on power-up. Double-tap the center of the right touch sensor control panel lightly (about 0.4-second interval) to make an A2DP connection (music playback).

Note: If the last connected device is nearby, the headset might connect automatically. If unwanted, turn off Bluetooth on that device or power it off. If connection fails, ensure pairing exists on the iPhone and try pairing again.

Before starting:

Ensure computer has BLUETOOTH supporting music playback (A2DP).

Computer is within 1 m (3 feet).

Headset is charged.

Have computer’s instructions.

Turn on the computer’s built-in BLUETOOTH adapter if necessary.

1. Enter pairing mode on the headset: Press and hold power button for 7 seconds until indicator flashes blue/red. Hear “BLUETOOTH pairing”.

2. Resume computer from sleep mode.

3. Register the headset:

Click [Start] > [Settings].

Click [Devices].

Click the [Bluetooth] tab, turn Bluetooth ON.

Select [WH-H900N (h.ear)], then click [Pair].

If passkey is needed, enter “0000”.

Headset and computer pair and connect. Hear “BLUETOOTH connected”. If not connected, see “Connecting to a paired computer (Windows 10)”. If not displayed, retry from step 1.

Note: Pairing mode ends after 5 mins. Pairing limit is 8 devices.

Before starting: Ensure computer’s Bluetooth is on.

1. Resume computer from sleep mode.

2. Turn on the headset (press power button for 2 secs). Indicator (blue) flashes. Hear “Power on”. If it connects automatically, hear “BLUETOOTH connected”. Check connection on computer. If not connected, proceed to step 3.

3. Select the headset using the computer:

Right-click the volume icon on the Windows toolbar, click [Playback devices].

Right-click [WH-H900N (h.ear)]. (If not shown, right-click Sound screen, select [Show Disabled Devices]).

Click [Connect].

Connection is established.

Hint: If connected last time, double-tap right touch sensor center for A2DP (music playback).

Note: Low sound quality means A2DP function might not be available on computer. Auto-connection might occur if last device is near. If connection fails, try pairing again.

Before starting:

Ensure computer has BLUETOOTH supporting music playback (A2DP).

Computer is within 1 m (3 feet).

Headset is charged.

Have computer’s instructions.

Turn on the computer’s built-in BLUETOOTH adapter if necessary.

1. Enter pairing mode on the headset: Press and hold power button for 7 seconds until indicator flashes blue/red. Hear “BLUETOOTH pairing”.

2. Resume computer from sleep mode.

3. Register the headset:

Move mouse pointer to top-right (or swipe from right edge), select [Settings] from Charm Bar.

Select [Change PC settings].

Select [Devices] (or [PC and devices] > [Bluetooth] for Win 8.1).

Select [Add a device].

Select [WH-H900N (h.ear)].

If passkey is needed, enter “0000”.

Headset and computer pair and connect. Hear “BLUETOOTH connected”. If not connected, see “Connecting to a paired computer (Windows 8/Windows 8.1)”. If not displayed, retry from step 3.

Note: Pairing mode ends after 5 mins. Pairing limit is 8 devices.

Before starting: Ensure computer’s Bluetooth is on.

1. Resume computer from sleep mode.

2. Turn on the headset (press power button for 2 secs). Indicator (blue) flashes. Hear “Power on”. If it connects automatically, hear “BLUETOOTH connected”. Check connection on computer. If not connected, proceed to step 3.

3. Select the headset using the computer:

Select [Desktop] on the Start screen.

Move mouse pointer to top-right (or swipe from right edge), select [Settings] from Charm Bar.

Select [Control Panel].

Select [Hardware and Sound] > [Devices and Printers].

Double-click [WH-H900N (h.ear)].

Click [Listen to Music].

Connection is established.

Hint: If connected last time, double-tap right touch sensor center for A2DP (music playback).

Note: Auto-connection might occur if last device is near. If connection fails, try pairing again.

Before starting:

Ensure computer has BLUETOOTH supporting music playback (A2DP).

Computer is within 1 m (3 feet).

Headset is charged.

Have computer’s instructions.

Turn on the computer’s built-in BLUETOOTH adapter if necessary.

1. Enter pairing mode on the headset: Press and hold power button for 7 seconds until indicator flashes blue/red. Hear “BLUETOOTH pairing”.

2. Resume computer from sleep mode.

3. Search for the headset:

Click the [Start] button, then [Devices and Printers].

Click [Add a device].

Select [WH-H900N (h.ear)], then click [Next].

If passkey is needed, enter “0000”.

Headset and computer pair and connect. Hear “BLUETOOTH connected”. If not connected, see “Connecting to a paired computer (Windows 7)”. If not displayed, retry from step 3.

Note: Pairing mode ends after 5 mins. Pairing limit is 8 devices.

Charge the battery.

The headset cannot be turned on while charging the battery.

Check that the micro-USB cable is connected firmly to the headset and the computer.

Check that the computer is turned on and not in standby, sleep or hibernation mode.

Check that the headset and the micro-USB cable are connected directly to the computer, not via a USB hub.

There may be a problem with the computer’s USB port. Try connecting to another USB port on the computer if available.

Try the charging procedure again.

Check that the micro-USB cable is connected firmly to the headset and the computer.

Check that the headset and the micro-USB cable are connected directly to the computer, not via a USB hub.

The ambient temperature may be outside the charging temperature range (5 °C – 35 °C / 41 °F – 95 °F).

Check that the micro-USB cable is connected firmly to the headset and the computer.

Check that the headset and the micro-USB cable are connected directly to the computer, not via a USB hub.

There may be a problem with the computer’s USB port. Try connecting to another USB port on the computer if available.

Check the computer’s operating system compatibility and update it if necessary.

The remaining battery charge is only displayed when connected via HFP (Hands-free Profile). Ensure your iPhone or iPod touch (iOS 5.0 or later) supports HFP and is connected using this profile.

If connected using “Media audio” (A2DP) only in a multi-point connection, the battery charge will not be displayed correctly.

Check if both the headset and the connected device (e.g., smartphone) are turned on.

Turn up the volume of the headset and the connected device.

Check if the connected device is playing back.

Check if the BLUETOOTH connection is established correctly.

If using the headphone cable, make sure it is inserted firmly until it clicks.

Try pairing the headset and the BLUETOOTH device again.

Make sure the correct profile (A2DP or HFP/HSP) is selected on the BLUETOOTH device.

If connected to a computer, make sure the computer’s sound output setting is set to the BLUETOOTH device.

Turn up the volume of the headset and the connected device.

Turn down the volume of the connected BLUETOOTH device.

Keep the headset away from microwaves, Wi-Fi devices, etc.

Bring the headset closer to the BLUETOOTH device. Remove any obstacles between them.

Switch the BLUETOOTH connection to A2DP by operating the connected device if it’s connected via HFP/HSP.

If the connected device supports LDAC, changing the sound quality setting on the device might improve quality.

Check the “Sound quality mode” setting in the “Sony | Headphones Connect” app. Set it to “Priority on Sound Quality” if possible.

Keep the headset away from microwaves, Wi-Fi devices, etc.

Bring the headset closer to the BLUETOOTH device. Remove any obstacles between them.

Try changing the “Sound quality mode” setting in the “Sony | Headphones Connect” app to “Priority on Stable Connection”.

If listening to music from a computer, close unnecessary applications or windows, or restart the computer.

Make sure the noise canceling function is turned on (check the NC/AMBIENT indicator or press the button).

Adjust the headband slider and earpads for a proper fit to maximize the effect.

Noise canceling is most effective for low-frequency noise (like airplane engines, traffic). It’s less effective for higher frequencies (like voices).

The Automatic AI Noise Canceling function adjusts the level automatically based on surroundings. The effect might change.

Bring the headset and the BLUETOOTH device closer together (within 1 meter).

Ensure the headset is in pairing mode (indicator flashing blue and red).

Ensure the BLUETOOTH function on the other device is enabled and it’s discoverable.

Delete the pairing information from the BLUETOOTH device list and perform pairing again.

If the headset is already paired with 8 devices, delete an unnecessary pairing from a connected device or initialize the headset, then pair again.

Ensure the NFC function on your smartphone is enabled.

Unlock the smartphone screen if it’s locked.

Move the smartphone slowly over the N-Mark on the headset.

Remove any case from the smartphone.

Check if your smartphone is compatible (Android 4.1 or later with NFC).

Bring the headset and smartphone closer.

Ensure both devices are turned on.

Ensure the BLUETOOTH function is enabled on the other device.

Check if the headset is already connected to another device.

Ensure the device is within the communication range (approx. 10 meters).

Try connecting again after deleting the pairing information from the device and re-pairing.

Ensure the headset is selected as the audio output/input device on the connected device (e.g., computer).

Turn down the volume on the connected device.

Charge the headset battery.

Keep the headset away from sources of interference like microwaves or Wi-Fi.

The range is approximately 10 meters (30 feet). Range can be reduced by obstacles (walls, people), interference (Wi-Fi, microwaves, cordless phones), or device placement.

Move the headset and BLUETOOTH device closer together and remove obstacles.

Keep away from Wi-Fi routers, microwaves, etc.

If using the headset near Wi-Fi devices, try using the 5 GHz band if available, as the 2.4 GHz band is shared with BLUETOOTH.

Try changing the “Sound quality mode” in the “Sony | Headphones Connect” app to “Priority on Stable Connection”.

Try resetting the headset.

Charge the headset battery.

If the issue persists after resetting, try initializing the headset.

Check the connection status with the smartphone or mobile phone.

Ensure the correct profile (HFP or HSP) is selected on the phone.

Increase the call volume on the headset and the phone.

If connected to a computer, ensure the computer’s communication settings are configured for the headset’s microphone and speaker.

Switch the call device between the headset and the phone if possible.

Increase the call volume on the headset and the connected phone.

If the headset cannot be turned on or operated even when charged, press the power button and the NC/AMBIENT button simultaneously while charging. The headset will be reset. Pairing information is not deleted.

Turn off the headset, then press and hold the power button and the NC/AMBIENT button simultaneously for 7 seconds or more. The indicator (blue) flashes 4 times, and the headset is initialized. This operation resets volume settings, etc., and deletes all pairing information. After initialization, delete the pairing information for the headset from the connected device and then pair them again.

Check that you are using the micro-USB cable supplied.

Check that the micro-USB cable is connected to the headset and the computer firmly.

Check that the computer is turned on.

Check that the computer is not in standby, sleep or hibernation mode.

When using Windows 8.1, update using Windows Update.

Check that the headset and the computer are directly connected, not via a USB hub.

The micro-USB cable is not connected properly to the USB port of the computer. Connect the micro-USB cable again.

Check that the headset and the computer are directly connected, not via a USB hub.

A problem may have occurred with the connected USB port of the computer. Connect to another USB port if it is available.

Try the USB connection procedure again in cases other than those stated above.

Check that you are using the micro-USB cable supplied.

The remaining battery charge is shown only on the screen of an iPhone or iPod touch (iOS 5.0 or later) that supports HFP (Hands-free Profile).

Make sure that the iPhone or iPod touch is connected with HFP (Hands-free Profile). Otherwise, the remaining battery charge will not be displayed correctly.

Check that both the headset and the connected device (i.e., smartphone) are turned on.

An A2DP BLUETOOTH connection is not made between the headset and the BLUETOOTH device. Use the BLUETOOTH device and make an A2DP BLUETOOTH connection.

Turn up the volume of the headset and the connected device (i.e., smartphone).

Check that the connected device is playing back.

If you are connecting a computer to the headset, make sure the audio output setting of the computer is set for a BLUETOOTH device.

Pair the headset and the BLUETOOTH device again.

Check that the headphone cable is connected firmly (if using the cable).

Turn up the volume of the headset and the connected device.

Turn down the volume of the connected device.

Keep the headset away from a microwave oven, Wi-Fi device, etc.

Bring the headset and the BLUETOOTH device closer together. Remove any obstacles between the headset and the BLUETOOTH device.

Keep the headset away from a TV.

Switch the BLUETOOTH connection to A2DP by operating the BLUETOOTH device when HFP or HSP is set.

If you connect a device with a built-in radio or tuner to the headset, broadcasts may not be received, or sensitivity may be reduced. Locate the headset farther away from the device and check that you can listen to the broadcasts satisfactorily.

If you have previously connected the headset to this BLUETOOTH device, only an HFP/HSP BLUETOOTH connection may be made when the headset is turned on. If this happens, use the BLUETOOTH device and make an A2DP BLUETOOTH connection.

When you listen to music from a computer on the headset, sound quality may be poor for the first few seconds after a connection is made. This is caused by the computer transmitting music at sound quality for communications at first, and it is not a malfunction. If the sound quality does not improve after a few seconds, double-tap the touch sensor control panel lightly (about 0.4-second interval) of the headset. Or, operate the computer to make an A2DP connection. Refer to the operating instructions supplied with your computer for computer operation.

Set the headset to the “Priority on stable connection” mode. For details, refer to “About the sound quality mode.”

Remove any obstacles between the antenna of the BLUETOOTH device to be connected and the built-in antenna of the headset. The antenna is located in the left earcup (marked with a dotted line in the PDF).

BLUETOOTH communications may be disabled, or noise or audio dropout may occur under the following conditions:

– There is a human body between the headset and the BLUETOOTH device. This situation may be improved by placing the BLUETOOTH device facing the antenna of the headset.

– There is an obstacle, such as metal or wall, between the headset and the BLUETOOTH device.

– A device using 2.4 GHz frequency, such as a Wi-Fi device, cordless telephone, or microwave oven, is in use near this headset.

The situation may be improved by changing the wireless playback quality settings or fixing the wireless playback mode to SBC on the transmitting device. For details, refer to the operating instructions supplied with the transmitting device.

Because BLUETOOTH devices and Wi-Fi (IEEE802.11b/g/n) use the same frequency (2.4 GHz), microwave interference may occur resulting in noise or audio dropout or communications being disabled if this headset is used near a Wi-Fi device. In such a case, perform the following:

– Use this headset at least 10 m (30 feet) away from the Wi-Fi device.

– If this headset is used within 10 m (30 feet) of a Wi-Fi device, turn off the Wi-Fi device.

– Install this headset and the BLUETOOTH device as near to each other as possible.

In case that you enjoy music with your smartphone, the situation may be improved by shutting down unnecessary apps or restarting your smartphone.

Make sure that the noise canceling function is turned on (the indicator (green) next to NC/AMBIENT button lights up).

Adjust the earpad position to fit your ears.

The noise canceling function is effective in low frequency ranges such as airplanes, trains, offices, near air-conditioning, and is not as effective for higher frequencies, such as human voices.

Bring the headset and the BLUETOOTH device within 1 m (3 feet) from each other.

When you turn on the headset for the first time after purchasing, initializing, or repairing it, the headset enters pairing mode automatically. Pair the headset with a BLUETOOTH device. When you want to pair a 2nd or subsequent device, press and hold the Power button of the headset for more than 7 seconds to enter pairing mode.

When you pair the headset with devices again after initializing or repairing the headset, information for pairing with the headset remaining on the iPhone or other device may prevent you from pairing them successfully. In this case, delete the pairing information of the headset from the device, and then pair them again.

Keep the smartphone close to the headset until the smartphone reacts. If you fail to connect, move the smartphone slowly on the N-Mark of the headset.

Check that the NFC function of the smartphone is set to on.

If the smartphone is in a case, remove it.

NFC reception sensitivity varies depending on the device. If you repeatedly fail to connect the headset with a smartphone by one touch, connect it to the headset by on-screen operation on the smartphone.

You cannot make a one-touch connection (NFC) while charging the battery because the headset cannot be turned on. Finish charging first, and then make the one-touch connection (NFC).

You cannot make a one-touch connection (NFC) when the headphone cable is connected to the INPUT jack. Remove the headphone cable from the headset.

Check that the headset is turned on.

Check that the BLUETOOTH device is turned on and the BLUETOOTH function is on.

If the headset automatically connects to the last connected BLUETOOTH device, you may fail to connect the headset to other devices via the BLUETOOTH function. In that case, operate the last connected BLUETOOTH device and disconnect the BLUETOOTH connection.

The BLUETOOTH device is in sleep mode. Cancel the sleep mode.

The BLUETOOTH connection is terminated. Make the BLUETOOTH connection again.

In case that the pairing information for the headset has been deleted on the connected device, pair the headset with the device again.

Keep the headset away from a microwave oven, Wi-Fi device, etc.

Reset the headset. Pairing information is not deleted by this operation.

If you cannot use the headset even after resetting it, initialize the headset.

Check that both the headset and the connected device (i.e., smartphone) are turned on.

Turn up the volume of the headset and the connected device (i.e., smartphone).

Check that output of the BLUETOOTH device is set for the headset.

Select an HFP or HSP BLUETOOTH connection by operating the BLUETOOTH device.

If you are listening to music using the headset, stop playback, double-tap the touch sensor control panel lightly and talk.

Turn up the volume of the headset and the connected device.

If the headset cannot be turned on, or if it cannot be operated even when it is turned on, connect the headset to a booted computer using the supplied micro-USB cable, then press the Power button and NC/AMBIENT button simultaneously. The headset will be reset. Pairing information is not deleted. To charge the headset after resetting, disconnect and reconnect the micro-USB cable.

Disconnect the micro-USB cable, turn off the headset, then press and hold the Power button and the NC/AMBIENT button simultaneously for more than 7 seconds. The indicator (blue) flashes 4 times, and the settings such as the volume adjustment are reset to the factory settings. All pairing information is deleted. In this case, delete the pairing information for the headset on the device which has been connected, then pair the headset with the device again. If the headset does not operate correctly even after initializing, consult your nearest Sony dealer.

1. Resume the computer from sleep mode.

2. Turn on the headset by pressing and holding the Power button for about 2 seconds. Ensure the indicator (blue) flashes. You will hear voice guidance “Power on”. If it connects automatically, you’ll hear “BLUETOOTH connected”.

3. Select [Control Panel] in the [Settings] charm.

4. Select [Hardware and Sound], then [Devices and Printers].

5. Right-click [WH-H900N (h.ear)] in the [Devices and Printers] screen.

6. Select [Advanced Operation] -> [Connect to audio sink device].

Hint: If the computer was connected with the headset the last time, an HFP/HSP connection is made when you turn on the headset. While the headset is on, you can make an A2DP connection (music playback) by double-tapping the center of the touch sensor control panel lightly (about 0.4-second interval).

Note: If sound quality is low, ensure A2DP is available on your computer. If the last-connected device is near, the headset might connect automatically; deactivate Bluetooth on that device or turn it off. If connection fails, deactivate pairing on the computer and pair again.

Before starting: Ensure the computer’s built-in BLUETOOTH adaptor is turned on (refer to computer’s instructions).

1. Resume the computer from sleep mode.

2. Turn on the headset by pressing and holding the Power button for about 2 seconds. Make sure the indicator (blue) flashes. You hear voice guidance “Power on”. If it automatically connects to the last device, you hear “BLUETOOTH connected”. Check the connection on the computer. If not connected, proceed to step 3. If connected to the wrong device, disconnect it first.

3. Select the headset using the computer:

1. Click the [Start] button, then [Devices and Printers].

2. Double-click [WH-H900N (h.ear)] of the device.

3. Click [Listen to Music].

Hint: If the computer was connected last time, an HFP/HSP connection occurs on power-on. Double-tap the touch sensor center lightly (0.4-sec interval) for A2DP (music playback).

Note: Low sound quality? Check computer A2DP support. Auto-connect issues? Deactivate Bluetooth on the other device or power it off. Connection failure? Deactivate pairing on computer and pair again.

Before starting: Ensure the BLUETOOTH device is within 1 m (3 feet), the headset is charged, and you have the device’s operating instructions.

1. Enter pairing mode on this headset:

– First time pairing after purchase/initialization: Turn on the headset. It enters pairing mode automatically.

– Pairing a 2nd or subsequent device: Press and hold the Power button for about 7 seconds.

– Make sure the indicator flashes blue and red alternately. You hear voice guidance “BLUETOOTH pairing”.

2. Perform the pairing procedure on the BLUETOOTH device to search for this headset. [WH-H900N (h.ear)] will appear. If not, repeat from step 1.

3. Select [WH-H900N (h.ear)] on the BLUETOOTH device. If a passkey is required, input “0000”.

4. Make the BLUETOOTH connection from the BLUETOOTH device. Depending on the device, it may connect automatically after pairing. When connected, you hear voice guidance “BLUETOOTH connected”.

Note: Pairing mode cancels after 5 minutes. If pairing with a device without a display, set both to pairing mode. If passkey is not “0000”, pairing fails. Once paired, no need to pair again unless pairing info is deleted, pairing with more than 8 devices, or headset is initialized.

1. Turn on the headset by pressing and holding the Power button for about 2 seconds. Ensure the blue indicator flashes. You hear voice guidance “Power on”.

2. If the headset automatically connects to the last connected device, you hear “BLUETOOTH connected”. Check the connection status on the BLUETOOTH device. If not connected, make the BLUETOOTH connection from the BLUETOOTH device (refer to its instructions). When connected, you hear voice guidance “BLUETOOTH connected”.

Hint: If the last connected device was paired via HFP/HSP, you might need to double-tap the touch sensor’s center lightly (0.4-sec interval) while the headset is on to establish an A2DP connection for music playback.

Note: If the last-connected device is nearby, it might connect automatically. To prevent this, deactivate BLUETOOTH on that device or turn it off. If connection fails, deactivate pairing on the device and pair again.

To use one device for music (A2DP) and another for calls (HFP/HSP):

1. Pair the headset with both the music player and the smartphone/mobile phone.

2. Make an A2DP BLUETOOTH connection between the headset and the BLUETOOTH music player.

3. Make an HFP or HSP BLUETOOTH connection between the headset and the BLUETOOTH smartphone or mobile phone.

Note: If the smartphone was the last connected device, it might automatically connect via HFP/HSP and possibly A2DP when you turn on the headset. If this happens, disconnect the headset from the smartphone using the phone’s settings, then reconnect following steps 2 and 3 above.

To use one Android smartphone for music (A2DP) and the other for calls (HFP):

1. Pair the headset with both smartphones.

2. Use one smartphone to establish a BLUETOOTH connection with the headset.

3. On the connected smartphone, go to [Settings] -> [Bluetooth]. Touch the setting icon next to [WH-H900N (h.ear)].

4. On the [Paired Bluetooth device] screen, uncheck either [Phone audio] (HFP) or [Media audio] (A2DP) depending on which function you *don’t* want this phone to handle. (Example: To use this phone for Media audio only, uncheck Phone audio).

5. Terminate the BLUETOOTH connection from this smartphone.

6. Use the other smartphone to establish a BLUETOOTH connection to the headset.

7. On this second smartphone, go to its Bluetooth settings for the headset and uncheck the function that you *kept* checked on the first smartphone in step 4. (Example: If you kept Media audio on the first phone, uncheck Media audio on this second phone, leaving Phone audio checked).

8. Use the first smartphone to establish a BLUETOOTH connection again.

Both smartphones are now connected, each with only one function enabled (one for media, one for phone audio).

To make a multi point connection with an Android smartphone and an iPhone (you can only limit functions on the Android device):

1. Pair the headset with both the Android smartphone and the iPhone.

2. Use the Android smartphone to establish a BLUETOOTH connection with the headset.

3. On the Android smartphone, go to [Settings] -> [Bluetooth]. Touch the setting icon next to [WH-H900N (h.ear)].

4. On the [Paired Bluetooth device] screen, uncheck either [Phone audio] (HFP) or [Media audio] (A2DP). Decide which function the Android phone *won’t* handle. (Example: To use the Android for Media audio only, uncheck Phone audio).

5. Use the iPhone to establish a BLUETOOTH connection to the headset.

The iPhone will connect with both functions (Phone and Media audio). However, the headset will only use the function that you unchecked on the Android smartphone (in the example, Phone audio from the iPhone). The Android phone will handle the function you left checked (in the example, Media audio).

Note: If you connect the Android smartphone with only [Phone audio] (HFP) enabled, the remaining battery charge of the headset will not be displayed correctly on the iPhone.

1. Disconnect:

– If using a device that supports one-touch connection (NFC): Touch the device to the headset again. (Unlock the screen if locked).

– If using a device without NFC: Operate from the BLUETOOTH device’s menu.

When disconnected, you hear voice guidance “BLUETOOTH disconnected”.

2. Turn off the headset. You hear voice guidance “Power off”.

Hint: Depending on the BLUETOOTH device, the connection may terminate automatically when you finish playing music.

You can use the headset as wired headphones, useful in areas where BLUETOOTH is restricted (like airplanes) or for high-resolution audio playback.

1. Connect a playback device to the INPUT jack on the headset with the supplied headphone cable. Make sure you connect the L-shaped plug to the playback device and insert the plug firmly.

Hints:

– You can listen to music with the cable even if the headset is turned off (noise canceling won’t work).

– To enjoy high-resolution audio or use noise canceling/Ambient Sound Mode, turn the headset on while using the cable.

– The headset turns off automatically if you disconnect the cable while the headset is turned on.

– If a call comes in, a ring tone is heard. Answer using your phone and talk using the phone’s microphone. You hear the caller in the headphones.

– If you disconnect the cable, you can talk using the phone’s microphone and speaker.

Notes:

– Use only the supplied headphone cable.

– Ensure the plug is inserted firmly.

– The BLUETOOTH function cannot be used with the cable connected.

– The touch sensor control panel only works for Quick Attention Mode when the cable is connected. Control volume, playback, etc., from the connected device.

– The NC/AMBIENT button cannot be used when the headset is powered off.

Ensure your BLUETOOTH device supports A2DP (for music) and optionally AVRCP (for remote control).

1. Connect the headset to a BLUETOOTH device.

2. Wear the headset. Adjust the headband length. Put the headset on with the L indication on your left ear and R on your right ear. The left unit has a tactile dot. Avoid touching the sensor panel on the right earcup when putting it on.

3. Play back music or video on the BLUETOOTH device. Adjust the volume on the BLUETOOTH device.

4. Control the volume using the touch sensor control panel on the right unit:

– To increase volume: Swipe up repeatedly.

– To decrease volume: Swipe down repeatedly.

– Hold finger after swiping: Volume changes continuously.

An alarm sounds at max/min volume.

Hint: The headset supports SCMS-T content protection. Volume during calls and music can be adjusted independently.

Note: If communication is poor, the device may react incorrectly to headset operations.

If your BLUETOOTH device supports AVRCP, you can use the touch sensor control panel on the right earcup:

• Play/Pause: Double-tap lightly (about 0.4-second interval).

• Next track: Swipe forward.

• Previous track: Swipe backward.

• Fast-forward: Swipe forward and hold. (Starts after a short delay.) Release at the desired point.

• Fast-reverse: Swipe backward and hold. (Starts after a short delay.) Release at the desired point.

• Increase volume: Swipe up repeatedly. Hold after swiping to change continuously.

• Decrease volume: Swipe down repeatedly. Hold after swiping to change continuously.

Note: Functions may vary by device. Poor connection may cause incorrect operation. Operations might work differently or not at all depending on the device.

The noise canceling circuit senses outside noise with built-in microphones (located on left and right earcups) and sends an equal-but-opposite canceling signal to the headset, reducing ambient sound.

Note:

– Effect may not be pronounced in quiet environments, or some noise may be heard.

– Effect can vary based on how you wear the headset; a beeping/howling may occur (take off and put on again).

– Works primarily for low-frequency noise; it doesn’t cancel all noise completely.

– Noise may occur in trains or cars depending on conditions.

– Mobile phones may cause interference; move the headset away.

– Do not cover the microphones; this can impair noise canceling/Ambient Sound Mode or cause howling.

1. Turn on the headset. You hear “Power on”. Noise canceling turns on automatically. The green indicator next to the NC/AMBIENT button lights up.

To cycle through modes or turn off noise canceling:

Press the NC/AMBIENT button repeatedly. Each press switches the function as follows, with voice guidance:

– Ambient Sound Mode: ON (Yellow indicator lights up)

– Noise Canceling/Ambient Sound Mode: OFF (Green indicator flashes)

– Noise Canceling function: ON (Green indicator lights up)

Hints:

– Noise canceling stays on even if you connect the headphone cable while using Bluetooth.

– When using the supplied cable, turn off the headset to use it as ordinary wired headphones (NC off).

– To enjoy high-resolution audio with the cable, turn the headset on.

– You can also toggle noise canceling using the “Sony | Headphones Connect” app.

Note: When connected via cable with noise canceling ON, the indicator next to the Power button turns off.

The Automatic AI (Artificial Intelligence) Noise Canceling function constantly analyzes environmental ambient sound components and automatically selects the most effective noise canceling mode among the following types:

NC Mode A: Effectively reduces noise mainly found in airplanes.

NC Mode B: Effectively reduces noise mainly found in buses or trains.

NC Mode C: Effectively reduces noise mainly found in office environments (PCs, copiers, air ventilation, etc.).

This mode lets you hear surrounding sounds through the built-in microphones while listening to music.

To activate:

While noise canceling is on, press the NC/AMBIENT button repeatedly until you hear the voice guidance for Ambient Sound Mode ON. The indicator (yellow) next to the NC/AMBIENT button lights up.

To change the setting:

Use the “Sony | Headphones Connect” app connected via BLUETOOTH.

To deactivate:

Press the NC/AMBIENT button repeatedly until the noise canceling function is turned ON or OFF.

Hints:

– Ambient sound might not be heard depending on conditions and audio playback type/volume. Do not use where inability to hear surroundings is dangerous (e.g., car traffic).

– Mode may not work correctly if headset isn’t worn properly.

– Settings changed via the app are saved on the headset.

This function instantly lowers music/call/ringtone volume and allows ambient sound in, useful for brief announcements, etc.

To activate:

Touch the whole touch sensor control panel on the right earcup with your hand. The mode is active as long as you are touching the panel. The indicator (yellow) next to the NC/AMBIENT button flashes quickly.

Ensure your whole hand covers the panel; partial or incorrect touching may prevent activation.

To deactivate:

Move your hand off the touch sensor control panel.

Note:

– Ambient sound might not be heard depending on conditions and audio playback type/volume. Do not use where inability to hear surroundings is dangerous.

– Mode may not work correctly if headset isn’t worn properly.

The headset has two sound quality modes, switchable via the “Sony | Headphones Connect” app:

1. Priority on sound quality (default): Prioritizes the highest possible sound quality. Use this mode when connecting with an AAC, aptX, aptX HD, or LDAC compatible device.

2. Priority on stable connection: Prioritizes connection stability over quality. Select this mode if the connection is unstable (e.g., intermittent sound).

Note:

– Playback time may be shorter depending on the sound quality mode and usage conditions.

– Intermittent sound may still occur in the “Priority on stable connection” mode depending on ambient conditions.

The headset supports the following 5 codecs for music playback via an A2DP connection:

• SBC (Subband Codec): Standard codec supported by all BLUETOOTH devices.

• AAC (Advanced Audio Coding): Offers higher sound quality than SBC; mainly used by Apple products.

• aptX: Audio coding technology used by some Android smartphones, providing higher sound quality than SBC.

• aptX HD: Audio coding technology used by some Android smartphones, offering higher sound quality than aptX.

• LDAC: Sony-developed technology for transmitting High-Resolution Audio content over BLUETOOTH with minimal down-conversion, allowing approximately 3x more data than SBC.

When the headset is set to “Priority on sound quality” mode, it automatically switches to the highest quality codec supported by the connected device. However, you might need to manually set the device to use a higher quality codec if available. Refer to your device’s instructions.

The DSEE HX function upscales compressed sound sources (like CD or MP3) to near High-Resolution Audio quality, reproducing clear high-range sounds often lost in compression. It is available when set via the “Sony | Headphones Connect” app under the following conditions:

DSEE HX Setting	Connection	Codec	Surround (VPT) / Equalizer
AUTO	BLUETOOTH connection	SBC or AAC	All OFF

Ensure your smartphone/mobile phone supports HFP or HSP profile (set to HFP if both are supported) and is connected via BLUETOOTH. This headset only supports normal incoming calls, not calling apps.

1. Connect the headset to the smartphone/mobile phone beforehand.

2. When you hear a ring tone (from headset or phone, depending on settings) and the indicator (blue) flashes, double-tap the touch sensor control panel lightly (about 0.4-second interval) to receive the call. Music playback pauses automatically. Use the microphone on the left or right unit for talking.

3. Control the call volume using the touch sensor control panel on the right unit (swipe up to increase, down to decrease). Volume can only be adjusted during the call.

4. To end the call, double-tap the touch sensor control panel lightly again. If you were listening to music, playback resumes automatically (depending on the phone).

If no ring tone is heard via headset: Check HFP/HSP connection status on the phone. If playback doesn’t pause, pause it manually.

Hint: Some phones default to answering on the phone itself. You might need to switch the call to the headset by holding your finger on the touch sensor panel or using the phone’s menu.

Note: Keep the phone at least 50 cm (19 3/4 in.) away to avoid noise. Playback might not resume automatically after the call.

Ensure your smartphone/mobile phone supports HFP or HSP profile (set to HFP if both supported) and is connected via BLUETOOTH. This headset only supports normal calls, not calling apps.

1. Connect the headset to the smartphone/mobile phone beforehand.

2. Operate your smartphone or mobile phone to make a call. You will hear the dial tone from the headset. Music playback pauses if active.

3. Control the call volume using the touch sensor control panel on the right unit (swipe up to increase, down to decrease). Volume adjusted during call only.

4. To end the call, double-tap the touch sensor control panel lightly again. Music playback resumes automatically if paused.

If no dial tone is heard: Switch the call device to the headset using your phone or by holding your finger on the touch sensor control panel until switched.

Hint: Volume during calls and music playback are adjusted independently.

Note: Keep the phone at least 50 cm (19 3/4 in.) away from the headset to avoid noise.

Available functions depend on the profile (HFP or HSP) supported by your phone. Functions may also vary by phone model.

Supported profile: HFP (Hands-free Profile)

During standby/music playback:

– Hold finger to touch sensor panel: Start voice dial (*) / Activate Google App (Android) or Siri (iPhone).

Outgoing call:

– Double-tap touch sensor panel lightly (0.4-sec interval): Cancel outgoing call.

– Hold finger to touch sensor panel: Switch call device between headset and phone.

Incoming call:

– Double-tap touch sensor panel lightly: Answer call.

– Hold finger to touch sensor panel: Reject call.

During call:

– Double-tap touch sensor panel lightly: Finish call.

– Hold finger to touch sensor panel: Switch call device between headset and phone.

Supported profile: HSP (Headset Profile)

Outgoing call:

– Double-tap touch sensor panel lightly: Cancel outgoing call (*).

Incoming call:

– Double-tap touch sensor panel lightly: Answer call.

During call:

– Double-tap touch sensor panel lightly: Finish call (*).

(*) Some devices may not support this function.

1. Turn the Google App on in your Android smartphone settings: Go to [Settings] -> [Apps] -> Gear icon -> [Default Apps] -> [Assist & Voice input] -> [Assist App], and set it to the Google App (ensure latest version is installed).

2. Connect the headset to the Android smartphone via BLUETOOTH.

3. When the smartphone is in standby or playing music, keep your finger touching the sensor panel on the right earcup to activate the Google App. You will hear a start-up sound.

4. Make a request to the Google App through the headset’s microphone.

Note: After activation, if no request is made for a certain time, a beep sounds and the Google App deactivates. The Google App cannot be activated by saying “OK Google” through the headset microphone, even if the phone setting is enabled.

1. Turn Siri on in iPhone settings: Go to [Settings] -> [Siri].

2. Connect the headset to the iPhone via BLUETOOTH.

3. When the iPhone is in standby or playing music, hold your finger to the touch sensor control panel on the right earcup to activate Siri. You will hear a start-up sound.

4. Make a request to Siri through the headset’s microphone.

5. To continue making requests before Siri deactivates, double-tap the touch sensor control panel lightly.

Note: After activating Siri, if no request is made for a certain time, a beep will sound and Siri will be deactivated. Siri cannot be activated by saying “Hey Siri” through the headset’s microphone, even if the iPhone’s [Allow “Hey Siri”] setting is on.

When you connect your smartphone (with the app installed) to the headset via BLUETOOTH, you can do the following:

• Display the remaining battery of the headset

• Display the BLUETOOTH connection codec

• Turn noise canceling on/off

• Set the Ambient Sound mode

• Select the sound effect mode (VPT)

• Select the Equalizer setting

• Switch the sound quality mode by setting the BLUETOOTH connection mode

• Set the DSEE HX (completion for high-range sound) function

• Check the headset’s status of connection/settings

Hint: App operation depends on the audio device. Specifications and screen design may change.

1. Download the “Sony | Headphones Connect” app from Google Play store or App Store, and install the app to your smartphone.

2. After installing the app, launch the “Sony | Headphones Connect” app.

• Operates within about 10 m (30 feet); range varies with obstacles or environment.

• Microwaves from a BLUETOOTH device can affect electronic medical devices. Turn off headset and other BLUETOOTH devices near hospitals, petrol stations, automatic doors, fire alarms, or where inflammable gas is present.

• Do not use on airplanes; radio waves can cause malfunctions.

• Sound may be delayed compared to the sending device due to wireless characteristics, causing misalignment in movies or games.

• Supports standard BLUETOOTH security, but security may not be sufficient depending on settings. Be careful during BLUETOOTH communication.

• Sony takes no responsibility for information leakage during BLUETOOTH communication.

• Connection is not guaranteed with all BLUETOOTH devices. Devices must conform to the standard specified by Bluetooth SIG, Inc. and be authenticated.

• Even conforming devices may not connect or work correctly depending on features/specifications.

• Noise may occur during hands-free calls depending on device or environment.

• It may take time to start communications depending on the device.

Static electricity accumulated in the body may cause mild tingling in your ears. To minimize the effect, wear clothes made from natural materials.

• Pasting stickers on the touch sensor control panel may cause it to malfunction.

• Be careful not to catch your finger when folding.

• When using as wired headphones, use only the supplied cable, inserted firmly.

• Avoid humidity, dust, soot, steam, or direct sunlight. Do not leave in a car for long.

• BLUETOOTH function may not work on mobile phones depending on radio waves and location.

• High volume may affect hearing.

• For traffic safety, do not use while driving or cycling.

• Do not put weight or pressure on the headset; it may deform during long storage.

• Do not use where inability to hear ambient sound is dangerous (railroad crossings, platforms, pedestrian crossings, construction sites).

• Do not subject to excessive shock.

• Clean with a soft dry cloth.

• The headset is not waterproof. Do not expose to water. Avoid dropping into water, using in humid locations or bad weather (rain/snow). Do not handle with wet hands or put in damp clothing.

• If discomfort occurs after use, stop using immediately. Consult a dealer if problems persist.

• Earpads may deteriorate over time. Optional replacements can be ordered.

• Contact your nearest Sony dealer for questions not covered in the manual.

If the headset does not function as expected, try the following steps:

1. Find the symptoms of the issue in this Help Guide, and try any corrective actions listed.

2. Connect the headset to a computer to charge the battery. Some issues might be resolved by charging.

3. Reset the headset.

4. Initialize the headset. This resets volume settings, etc., and deletes all pairing information.

5. Look up information on the issue on the customer support website.

If the operations above do not work, consult your nearest Sony dealer.

Charge the battery of the headset.

The headset cannot be turned on while charging the battery. Remove the micro-USB cable from the headset, and then turn on the headset again.