BOSE QUIETCOMFORT 440108 (01) PDF Document

Confirm that the following parts are included with your BOSE QUIETCOMFORT 440108:

• Bose QuietComfort Ultra Headphones

• Carry case

• USB Type-A to USB Type-C® cable

• 3.5 mm to 2.5 mm audio cable

The Bose Music app allows you to set up and control your BOSE QUIETCOMFORT 440108 headphones from a mobile device. Using the app, you can manage Bluetooth connections, adjust headphone settings and audio, choose your voice prompt language, and receive updates.

Download the Bose Music App:

1. On your mobile device, download the Bose Music app from the App Store or Google Play.

2. Follow the app instructions to complete the setup.

Add the Headphones to an Existing Account:

If you already have a Bose Music account, open the app and add your Bose QuietComfort Ultra Headphones.

The headphone controls are located on the back of the right earcup. They include:

• Microphone

• Multi-function button

• Volume strip

• Bluetooth/Power button

• 2.5 mm audio port

The left earcup contains:

• Microphone

• Status light

• USB-C® port

Press the Bluetooth/Power button. You will hear a tone, and a voice prompt will announce the battery level. The status light will glow according to the current charge level. The headphones must be on your head for the tone and voice prompt to play. When you power on the headphones and hear the tone, the audio is personalized to your ears for the best audio performance.

Press and hold the Bluetooth/Power button until you hear a tone and the status light blinks white twice. When the headphones are powered off, noise cancellation is disabled.

Yes, the BOSE QUIETCOMFORT 440108 headphones conserve battery by going to sleep when you remove them from your head and they are not in use for 10 minutes. To wake the headphones, place them on your head or press the Bluetooth/Power button.

The headphones will power off completely after 24 hours of inactivity. To power them on again, press the Bluetooth/Power button. You can change the auto-off setting in the Bose Music app from the Settings menu.

The Multi-function button controls media playback, and the volume strip controls the volume. Here are the functions:

Note: To quickly increase or decrease the volume, use a long swipe on the volume strip.

The Multi-function button controls phone calls. There are four microphones for phone calls: two on the left earcup and two on the right earcup. Here are the call functions:

A shortcut allows you to quickly access one of the following functions:

• Cycle through immersive audio settings

• Access Spotify

• Use your mobile device voice control

• Access battery level

Enable Your Shortcut:

To enable your shortcut, use the Bose Music app. Tap “Shortcut” on the main screen.

Use Your Shortcut:

Touch and hold the volume strip.

Change or Disable Your Shortcut:

To change or disable your shortcut, use the Bose Music app. Tap “Shortcut” on the main screen.

On-head detection uses sensors to identify when you’re wearing the headphones, enabling automatic functions.

Auto Play/Pause:

When you lift the right earcup off your ear or remove the headphones, audio pauses. To resume audio, replace the right earcup or put on the headphones.

Auto Answer Call:

You can answer phone calls by simply putting on the headphones.

Note: To manage on-head detection features, use the Bose Music app. You can access this option from the Settings menu.

You can use noise cancellation without audio or interruptions from phone calls. Follow these steps:

1. Do one of the following:

• Disconnect your mobile device.

• Turn the Bluetooth feature off on your mobile device.

2. Press and hold the Multi-function button to change the mode.

To reconnect your mobile device, select the headphones from the Bluetooth list on your device.

Immersive audio places the sound in front of you for a more natural listening experience. It works with any streaming content. When you make or receive a phone call, immersive audio is temporarily set to Off.

You can change the immersive audio setting by changing the listening mode or by using a shortcut.

Change the mode:

Changing the listening mode changes both the immersive audio and noise cancellation settings. You can also create custom modes with your preferred settings in the Bose Music app.

Use your shortcut:

If you have set immersive audio as your shortcut in the Bose Music app, you can cycle through the settings without affecting your current mode’s noise cancellation.

1. Touch and hold the volume strip.

2. A voice prompt announces each immersive audio setting in a loop.

3. When you hear the name of your preferred setting, release the volume strip.

Listening modes are preset audio settings that consist of noise cancellation and immersive audio settings. You can choose between three pre-configured modes or create up to seven custom modes.

Aware mode with ActiveSense: This feature allows the headphones to automatically increase noise cancellation when sudden or loud noises occur near you, so you can maintain awareness without intermittent noise interrupting your audio. Once the noise stops, noise cancellation automatically returns to the previous setting. To enable ActiveSense, use the Bose Music app.

To access a mode on the headphones, it must be set as a favorite in the Bose Music app. By default, Quiet, Aware, and Immersion modes are set as favorites.

1. To cycle through modes, press and hold the Multi-function button.

2. A voice prompt will announce each mode in a loop.

3. When you hear the name of your preferred mode, release the Multi-function button.

You can also add or remove modes from the headphones by customizing your favorites list in the Bose Music app.

You can store up to eight devices in the headphone device list and be actively connected to up to two devices at a time (multi-point connection).

1. Press and hold the Bluetooth/Power button. You will hear the power off tone and the status light blinks white twice. Continue holding until you hear “Ready to connect” and the status light blinks blue. If a device is already connected, you will hear “Ready to connect another device.”

2. On your mobile device, enable the Bluetooth feature (usually found in the Settings menu).

3. Select your headphones from the device list. Look for the name you entered in the Bose Music app, or the default name.

Once connected, the status light glows solid blue for 10 seconds. You will hear a confirmation tone.

Disconnect a Mobile Device:

Use the Bose Music app to disconnect a mobile device. You can also disable the Bluetooth feature on your device, which will disconnect all devices.

Reconnect a Mobile Device:

When powered on, the headphones try to reconnect with the two most recently-connected devices. Ensure the devices are within range (30 ft or 9 m), powered on, and have Bluetooth enabled.

Connect Another Mobile Device:

Connect another device using the Bose Music app, your device’s Bluetooth menu, or Fast Pair (for Android). Note that you can only play audio from one device at a time.

Identify Connected Devices:

Press and release the Bluetooth/Power button to hear which devices are currently connected.

Switch Between Two Connected Devices:

1. Pause audio on your first mobile device.

2. Play audio on your second mobile device.

Reconnect a Previously-Connected Device:

1. Press and release the Bluetooth/Power button to hear which devices are connected.

2. Within 2 seconds, press and release the button again to hear the name of the next device in the list.

3. Repeat until you hear the correct device name. A tone will indicate when the device is connected.

1. Press and hold the Bluetooth/Power button and Multi-function button until you hear “Bluetooth device list cleared. Ready to connect.”

2. Delete your headphones from the Bluetooth list on your mobile device.

All devices are cleared, and the headphones are ready to connect.

To use Fast Pair, you need an Android device running Android 6.0 or higher with Bluetooth and Location features enabled.

1. Press and hold the Bluetooth/Power button until you hear “Ready to connect” and the status light blinks blue.

2. Place your headphones next to your Android device.

3. A notification will display on your device prompting you to pair the headphones. If you don’t see a notification, check that notifications are enabled for the Google Play Services app.

4. Tap the notification. A final notification will appear confirming the connection is complete.

Using the Audio Cable:

Use the 2.5 mm to 3.5 mm audio cable to listen to audio when a Bluetooth connection is not available. Phone calls and media playback controls on the headphones are disabled; they must be controlled from your source device. The microphones are also disabled.

1. Connect the cable to the 2.5 mm port on the left earcup.

2. Connect the other end of the cable to the 3.5 mm port on your source device.

Using the USB Cable for Audio:

Use the USB cable to connect to an external power source and continue using the headphones if the battery is depleted. To listen to audio when the battery is depleted and Bluetooth is unavailable, connect both the USB cable and the audio cable.

1. Connect the small end of the USB cable to the USB-C port on the left earcup.

2. Connect the other end to a USB-A power source like a computer or wall charger.

3. Power on the headphones.

1. Connect the small end of the USB cable to the USB-C port on the left earcup.

2. Connect the other end to a USB-A power source such as a computer or wall charger.

The headphones will begin charging, and the status light glows solid amber. When the headphones are fully charged, the status light glows solid white.

Charging Time:

Allow up to 3 hours to fully charge the headphones.

Battery Life:

A full charge powers the headphones for up to 24 hours with immersive audio set to Off, or up to 18 hours with immersive audio set to On.

Quick Charge:

When the battery is low, a 15-minute charge powers the headphones for up to 2.5 hours with immersive audio set to Off, or up to 2 hours with immersive audio set to On.

Each time you power on the headphones, a voice prompt announces the battery level. When the battery is low, you will hear “Battery low.” You can also visually check the battery by looking at the status light on the left earcup. Additionally, you can set up a shortcut in the Bose Music app to hear the battery level on demand.

The status light is located on the left earcup. It glows for 5 seconds when you put on or remove the headphones.

Bluetooth Status

Battery Status

Power and Charging Status

Update and Error Status

The earcups rotate for easy, convenient storage. Place the headphones flat into the case.

1. Place your hands around each earcup.

2. Rotate both earcups inward so they lay flat.

3. Slide the earcups up into the headband.

4. Fold the left earcup up toward the headband and place the headphones in the case.

Note: Before storing the headphones for more than a few months, make sure the battery is fully charged.

The headphones may require periodic cleaning. If the headband or other exterior surfaces need to be cleaned, gently wipe with a slightly damp cloth.

• Use only a water dampened cloth. Do not use cleaning products. Do not allow any moisture to enter the headphones through the ports or earcups.

• Do not force any dirt or debris into the ports. Do not blow air into or vacuum the ports or the interior of the earcups.

If you experience problems with your headphones, try these initial solutions:

• Charge the headphones.

• Power on the headphones.

• Check the headphones status light.

• Make sure your mobile device supports Bluetooth connections.

• Move your mobile device closer to the headphones (within 30 ft or 9 m) and away from any interference or obstructions.

• Increase the volume on the headphones, your mobile device, and the music app.

• Connect another mobile device.

• Press the Bluetooth/Power button.

• If your headphones have been exposed to high or low temperatures, let them return to room temperature.

• Disconnect the audio cable if it is plugged in.

• Connect using the Bluetooth menu on your mobile device.

• Disable the Bluetooth feature on your mobile device, then re-enable it.

• Clear the headphone device list. Delete the headphones from the Bluetooth list on your mobile device, including any duplicate listings labeled LE (Low Energy). Connect again.

• Reset the headphones.

• Make sure both ends of the USB charging cable are securely connected into the ports.

• Try a different USB-A wall charger, USB cable, or AC (mains) power source.

• If your headphones have been exposed to high or low temperatures, let them return to room temperature and try charging again.

• Remove the headphones, then put them on again.

• Disable the auto play/pause on-head detection feature using the Bose Music app. You can access this option from the Settings menu.

• If the headphones have been exposed to high or low temperatures, let them return to room temperature.

• Press the Bluetooth/Power button to hear the connected device. Make sure you are using the correct device.

• Press play on your mobile device to make sure audio is playing.

• Play audio from a different application or music service.

• Play audio from content stored directly on your device.

• If two mobile devices are connected, pause your other device first.

• Restart your mobile device.

• Reset the headphones.

• See troubleshooting for “Headphones don’t detect they are on head.”

• Make sure your finger is making good contact with the volume strip.

• Make sure your fingers are dry.

• If your hair is wet, make sure it isn’t interfering with the volume strip.

• If wearing gloves, remove them before touching the volume strip.

• While wearing the headphones, power them off, then power on again. Listen for the tone to ensure the audio is personalized to your ears.

• If in a windy environment, create a custom mode with wind block enabled in the Bose Music app.

• Make sure the earcups fit securely and form a comfortable seal around your ears.

• If your hair is long or if you’re wearing glasses or a hat, make sure it isn’t interfering with the earcups.

• Make sure you’re using the Bose Music app for setup.

• Play audio from a different application or music service.

• If two mobile devices are connected, disconnect the second device.

• Turn off any audio enhancement features on the device or music app.

• Change the immersive audio setting.

• Make sure your headphones are connected over the correct Bluetooth profile: Stereo A2DP. Check your device’s Bluetooth/audio settings menu.

• Clear the headphone device list. Delete the headphones from the Bluetooth list on your mobile device, including any duplicate listings labeled LE (Low Energy), then connect again.

• Reset the headphones.

• Make sure you are wearing the headphones correctly. The inner scrims are marked with an L (left earcup) and R (right earcup). Match the earcups to the correct ears.

• Make sure the microphones aren’t blocked and are free of debris.

• Clear the headphone device list, delete the headphones from your device’s Bluetooth list, and reconnect. Try another phone call.

• Disable the Bluetooth feature on your mobile device, then re-enable it.

• Power off the headphones, then power on again.

• Check the current listening mode.

• Make sure the earcups fit securely and form a comfortable seal around your ears.

• If your hair is long or if you’re wearing glasses or a hat, make sure it isn’t interfering with the earcups.

• Remove the headphones from your head and place them back on your head.

• If you’re on a phone call, lower or turn off self voice using the Bose Music app.

• Check if ActiveSense is enabled in the app.

• Reset the headphones. If that doesn’t resolve the issue, restore the headphones to factory settings.

If the headphones are unresponsive, you can reset them. This resets the product controls and reboots the headphones but does not clear any device settings.

1. Remove the headphones from the Bluetooth list on your device.

2. Connect the small end of the USB cable to the USB-C port on the left earcup.

3. Press and hold the Bluetooth/Power button while connecting the other end of the USB cable to a USB-A power source (e.g., computer or wall charger).

4. Once the USB cable is connected to a power source, release the Bluetooth/Power button.

When the reset is complete, the status light blinks white for 3 seconds, then glows according to the current charge level.

A restore to factory settings clears all settings and returns the headphones to their original out-of-box state. This is only recommended if you are having issues or have been instructed to do so by customer service.

1. Remove the headphones from the Bluetooth list on your device.

2. Remove the headphones from your Bose account using the Bose Music app.

3. Press and hold the Bluetooth/Power button and Multi-function button for 15 seconds.

The status light will blink white. After 30 seconds, the status light will blink amber for 2 to 3 seconds to indicate factory settings are being restored.

When the restore is complete, the status light slowly blinks blue. The headphones are now in their original out-of-box state.