Owners Guide
Page 3
..., incorrectly replaced or replaced with an incorrect type. • If the battery leaks, do not allow the liquid to EN / IEC 60825-1:2014. |3 E N G The earbuds should not be adjusted or repaired by anyone except properly qualified service personnel. • Do not place or install near the product. • Do NOT use the product only as described in the instructions. This product contains...
..., incorrectly replaced or replaced with an incorrect type. • If the battery leaks, do not allow the liquid to EN / IEC 60825-1:2014. |3 E N G The earbuds should not be adjusted or repaired by anyone except properly qualified service personnel. • Do not place or install near the product. • Do NOT use the product only as described in the instructions. This product contains...
Owners Guide
Page 4
... instructions, may cause undesired operation. The low power radio-frequency devices shall not influence aircraft security and interfere legal communications; However, there is not allowed to change frequency, enhance transmitting power or alter original characteristic as well as household waste, and should be discarded as performance to an approved low power radio-frequency devices. The low power radio-frequency devices must not be delivered to an appropriate collection facility for a Class B digital device...
... instructions, may cause undesired operation. The low power radio-frequency devices shall not influence aircraft security and interfere legal communications; However, there is not allowed to change frequency, enhance transmitting power or alter original characteristic as well as household waste, and should be discarded as performance to an approved low power radio-frequency devices. The low power radio-frequency devices must not be delivered to an appropriate collection facility for a Class B digital device...
Owners Guide
Page 6
... The earbud date code is a service mark of Qualcomm Technologies, Inc. Snapdragon Sound is located in the charging case lid. and/or its compliance with a license from the Settings menu. Serial number Model number: 441408 Please keep your Bose product. The Bluetooth® word mark and logos are registered trademarks owned by going to this by Bluetooth SIG, Inc. and any use of the Bose QuietComfort Ultra Earbuds, use the Bose app. Bose...
... The earbud date code is a service mark of Qualcomm Technologies, Inc. Snapdragon Sound is located in the charging case lid. and/or its compliance with a license from the Settings menu. Serial number Model number: 441408 Please keep your Bose product. The Bluetooth® word mark and logos are registered trademarks owned by going to this by Bluetooth SIG, Inc. and any use of the Bose QuietComfort Ultra Earbuds, use the Bose app. Bose...
Owners Guide
Page 9
... MODES Modes...32 Aware mode with ActiveSense...32 Change the mode...33 Add or remove modes from the earbuds...33 BATTERY Charge the earbuds...34 Charge the charging case...35 Check the earbud battery level...36 While using the earbuds...36 While charging the earbuds...36 Check the charging case battery level...37 Charging time...38 EARBUD AND CHARGING CASE STATUS Earbuds status light...39 Bluetooth® status...39 Battery, update, and error status...39 Charging case status light...40 Battery, update, and error status...40 BLUETOOTH CONNECTIONS Connect using the Bose app...41 Connect using...
... MODES Modes...32 Aware mode with ActiveSense...32 Change the mode...33 Add or remove modes from the earbuds...33 BATTERY Charge the earbuds...34 Charge the charging case...35 Check the earbud battery level...36 While using the earbuds...36 While charging the earbuds...36 Check the charging case battery level...37 Charging time...38 EARBUD AND CHARGING CASE STATUS Earbuds status light...39 Bluetooth® status...39 Battery, update, and error status...39 Charging case status light...40 Battery, update, and error status...40 BLUETOOTH CONNECTIONS Connect using the Bose app...41 Connect using...
Owners Guide
Page 10
......47 Connect using the product controls...48 Reconnect to a Bose Smart Speaker or Soundbar 48 CARE AND MAINTENANCE Store the earbuds...49 Clean the earbuds and charging case...49 Replacement parts and accessories...49 Limited warranty...49 Update the earbuds...50 Update the charging case...50 View the earbud date code...50 View the charging case serial number...50 TROUBLESHOOTING Try these solutions first...51 Other solutions...51 Reboot the earbuds and charging case...63 Restore the earbuds to factory settings...
......47 Connect using the product controls...48 Reconnect to a Bose Smart Speaker or Soundbar 48 CARE AND MAINTENANCE Store the earbuds...49 Clean the earbuds and charging case...49 Replacement parts and accessories...49 Limited warranty...49 Update the earbuds...50 Update the charging case...50 View the earbud date code...50 View the charging case serial number...50 TROUBLESHOOTING Try these solutions first...51 Other solutions...51 Reboot the earbuds and charging case...63 Restore the earbuds to factory settings...
Owners Guide
Page 11
... earbuds. Stability bands (sizes 2 and 3) NOTE: Size 1 bands are attached to the earbuds. WHAT'S IN THE BOX CONTENTS Confirm that the following parts are included: Bose QuietComfort Ultra Earbuds Charging case L2 2R L3 3R Eartips (sizes small and large) NOTE: Medium eartips are attached to be missing or damaged, don't use it. Visit support.Bose.com/QCUE for troubleshooting articles, videos, and product repair or replacement. | 1 1 E N G For...
... earbuds. Stability bands (sizes 2 and 3) NOTE: Size 1 bands are attached to the earbuds. WHAT'S IN THE BOX CONTENTS Confirm that the following parts are included: Bose QuietComfort Ultra Earbuds Charging case L2 2R L3 3R Eartips (sizes small and large) NOTE: Medium eartips are attached to be missing or damaged, don't use it. Visit support.Bose.com/QCUE for troubleshooting articles, videos, and product repair or replacement. | 1 1 E N G For...
Owners Guide
Page 12
... your Bose QuietComfort Ultra Earbuds, open the Bose app and add your mobile device, download the Bose app. DOWNLOAD THE BOSE APP 1. Follow the app instructions. NOTE: If you can verify the earbud fit, manage Bluetooth connections, manage earbud settings, adjust the audio, choose your voice prompt language, and get any mobile device, such as a smartphone or tablet. BOSE 2. BOSE APP SETUP The Bose app lets you set up and control the earbuds from any future updates and new...
... your Bose QuietComfort Ultra Earbuds, open the Bose app and add your mobile device, download the Bose app. DOWNLOAD THE BOSE APP 1. Follow the app instructions. NOTE: If you can verify the earbud fit, manage Bluetooth connections, manage earbud settings, adjust the audio, choose your voice prompt language, and get any mobile device, such as a smartphone or tablet. BOSE 2. BOSE APP SETUP The Bose app lets you set up and control the earbuds from any future updates and new...
Owners Guide
Page 38
... the earbuds are inside of music tracks using production-representative Bose QuietComfort Ultra Earbuds and Bose QuietComfort Ultra Earbuds charging case. Volume set to 4 hours before battery depletion. With Immersive Audio off , resulting in Quiet Mode (full noise cancellation). Quick charge testing consisted of inserting earbuds with battery depleted (to the point of no audio playback) into a fully charged case and charging earbuds for up to 6 hours with immersive audio set to Off (up to 4 hours with Immersive Audio switched off , playback time was...
... the earbuds are inside of music tracks using production-representative Bose QuietComfort Ultra Earbuds and Bose QuietComfort Ultra Earbuds charging case. Volume set to 4 hours before battery depletion. With Immersive Audio off , resulting in Quiet Mode (full noise cancellation). Quick charge testing consisted of inserting earbuds with battery depleted (to the point of no audio playback) into a fully charged case and charging earbuds for up to 6 hours with immersive audio set to Off (up to 4 hours with Immersive Audio switched off , playback time was...
Owners Guide
Page 41
... to set up to your mobile device using Fast Pair, see page 12. NOTE: Make sure both earbuds are in the charging case and the case open . | 4 1 E N G You can store up and connect your mobile device (see page 12). • For information about connecting using the Bose app, the Bluetooth menu on the back of the case until the earbuds status light slowly blinks blue. CONNECT USING THE BLUETOOTH MENU ON YOUR MOBILE DEVICE 1. BLUETOOTH CONNECTIONS...
... to set up to your mobile device using Fast Pair, see page 12. NOTE: Make sure both earbuds are in the charging case and the case open . | 4 1 E N G You can store up and connect your mobile device (see page 12). • For information about connecting using the Bose app, the Bluetooth menu on the back of the case until the earbuds status light slowly blinks blue. CONNECT USING THE BLUETOOTH MENU ON YOUR MOBILE DEVICE 1. BLUETOOTH CONNECTIONS...
Owners Guide
Page 44
NOTE: Make sure both earbuds are in the charging case and the case open . 2. Tap the notification. BLUETOOTH CONNECTIONS ANDROID DEVICES ONLY If you have the Bluetooth and Location features enabled. 1. Place the case next to download the Bose app and finish setting up the earbuds. | 4 4 E N G NOTES: • To use Fast Pair, you need an Android device running Android 6.0 or higher. • Your Android device must have an Android mobile device, you can also tap the button on the notification...
NOTE: Make sure both earbuds are in the charging case and the case open . 2. Tap the notification. BLUETOOTH CONNECTIONS ANDROID DEVICES ONLY If you have the Bluetooth and Location features enabled. 1. Place the case next to download the Bose app and finish setting up the earbuds. | 4 4 E N G NOTES: • To use Fast Pair, you need an Android device running Android 6.0 or higher. • Your Android device must have an Android mobile device, you can also tap the button on the notification...
Owners Guide
Page 45
... need a Snapdragon Sound-certified device, such as a compatible Android mobile device. To experience Snapdragon Sound, you connect the earbuds, your streaming audio. BLUETOOTH CONNECTIONS Snapdragon Sound technology Bose QuietComfort Ultra Earbuds feature Snapdragon Sound technology. Snapdragon Sound optimizes Qualcomm® audio technologies across connected devices to ensure the best sound quality, connection stability, and latency for your device will automatically stream audio using the aptX Adaptive Bluetooth codec. NOTE: To see which Snapdragon Sound...
... need a Snapdragon Sound-certified device, such as a compatible Android mobile device. To experience Snapdragon Sound, you connect the earbuds, your streaming audio. BLUETOOTH CONNECTIONS Snapdragon Sound technology Bose QuietComfort Ultra Earbuds feature Snapdragon Sound technology. Snapdragon Sound optimizes Qualcomm® audio technologies across connected devices to ensure the best sound quality, connection stability, and latency for your device will automatically stream audio using the aptX Adaptive Bluetooth codec. NOTE: To see which Snapdragon Sound...
Owners Guide
Page 801
BLUETOOTH 연결 Snapdragon Sound 기술 Bose QuietComfort Ultra Earbuds는 Snapdragon Sound Snapdragon Sound Qualcomm Snapdragon Sound Android Snapdragon Sound aptX Adaptive Bluetooth Snapdragon Sound support.Bose.com/QCUE | 4 5 K O R
BLUETOOTH 연결 Snapdragon Sound 기술 Bose QuietComfort Ultra Earbuds는 Snapdragon Sound Snapdragon Sound Qualcomm Snapdragon Sound Android Snapdragon Sound aptX Adaptive Bluetooth Snapdragon Sound support.Bose.com/QCUE | 4 5 K O R
Owners Guide
Page 990
BLUETOOTH 接続 Snapdragon Sound Bose QuietComfort Ultra Earbudsは、Snapdragon Sound Snapdragon Sound Qualcomm Snapdragon Sound Android Snapdragon Sound aptX Adaptive Bluetooth Snapdragon Sound support.Bose.com/QCUE | 4 5 J P N
BLUETOOTH 接続 Snapdragon Sound Bose QuietComfort Ultra Earbudsは、Snapdragon Sound Snapdragon Sound Qualcomm Snapdragon Sound Android Snapdragon Sound aptX Adaptive Bluetooth Snapdragon Sound support.Bose.com/QCUE | 4 5 J P N
Owners Guide
Page 6
... Bose QuietComfort Ultra Headphones, use of companies. Now is a good time to third-party licenses found here: www.spotify.com/connect/third-party-licenses Spotify is used without prior written permission. App Store is a trademark of the Microsoft group of such marks by Bluetooth SIG, Inc. The trademark "iPhone" is a registered trademark of Qualcomm Incorporated. and any use the Bose...
... Bose QuietComfort Ultra Headphones, use of companies. Now is a good time to third-party licenses found here: www.spotify.com/connect/third-party-licenses Spotify is used without prior written permission. App Store is a trademark of the Microsoft group of such marks by Bluetooth SIG, Inc. The trademark "iPhone" is a registered trademark of Qualcomm Incorporated. and any use the Bose...
Owners Guide
Page 11
Visit support.Bose.com/QCU for troubleshooting articles, videos, and product repair or replacement. | 1 1 E N G WHAT'S IN THE BOX CONTENTS Confirm that the following parts are included: Bose QuietComfort Ultra Headphones Carry case USB Type-A to USB Type-C® cable 3.5 mm to 2.5 mm audio cable NOTE: If any part of your product appears to be missing or damaged, don't use it.
Visit support.Bose.com/QCU for troubleshooting articles, videos, and product repair or replacement. | 1 1 E N G WHAT'S IN THE BOX CONTENTS Confirm that the following parts are included: Bose QuietComfort Ultra Headphones Carry case USB Type-A to USB Type-C® cable 3.5 mm to 2.5 mm audio cable NOTE: If any part of your product appears to be missing or damaged, don't use it.
Owners Guide
Page 27
... tap the button on your mobile device, or Fast Pair (Android devices only). BLUETOOTH CONNECTIONS You can connect the headphones to your mobile device using the Bose app, the Bluetooth menu on the notification to download the Bose app and finish setting up the headphones. | 2 7 E N G NOTES: • For the best experience, use the Bose app to set up to two devices at a time. You hear the power off tone and the status light blinks white...
... tap the button on your mobile device, or Fast Pair (Android devices only). BLUETOOTH CONNECTIONS You can connect the headphones to your mobile device using the Bose app, the Bluetooth menu on the notification to download the Bose app and finish setting up the headphones. | 2 7 E N G NOTES: • For the best experience, use the Bose app to set up to two devices at a time. You hear the power off tone and the status light blinks white...
Owners Guide
Page 34
WIRED CONNECTIONS CONNECT THE USB CABLE If the headphone battery is depleted and a Bluetooth connection isn't available, connect both the USB cable and the audio cable (see page 33). 1. NOTES: • If powered on , the headphones power off and begin to charge. 3. To play audio from a source device connected as a computer or wall charger. If powered on , the headphones power off and begin to charge when connected to an external power source and still use the headphones. Power on the left earcup. 2. Connect the small end...
WIRED CONNECTIONS CONNECT THE USB CABLE If the headphone battery is depleted and a Bluetooth connection isn't available, connect both the USB cable and the audio cable (see page 33). 1. NOTES: • If powered on , the headphones power off and begin to charge. 3. To play audio from a source device connected as a computer or wall charger. If powered on , the headphones power off and begin to charge when connected to an external power source and still use the headphones. Power on the left earcup. 2. Connect the small end...
Owners Guide
Page 36
... charged headphones was up to playback loudness of music tracks using production-representative Bose QuietComfort Ultra Headphones. With Immersive Audio off , resulting in June 2023 using A2DP Bluetooth audio streaming. For more information, see the status light located on settings and usage. 3 See 1. | 3 6 E N G NOTE: To visually check the battery, see page 36. With Immersive Audio on settings and usage. 2 Testing conducted by Bose in Quiet Mode (full noise cancellation...
... charged headphones was up to playback loudness of music tracks using production-representative Bose QuietComfort Ultra Headphones. With Immersive Audio off , resulting in June 2023 using A2DP Bluetooth audio streaming. For more information, see the status light located on settings and usage. 3 See 1. | 3 6 E N G NOTE: To visually check the battery, see page 36. With Immersive Audio on settings and usage. 2 Testing conducted by Bose in Quiet Mode (full noise cancellation...
Owners Guide
Page 47
...;solutions to common problems. You can also access troubleshooting articles, videos, and other resources at: support.Bose.com/QCU If you are unable to videos. The status light glows according to room temperature. Connect using the Bluetooth menu on your mobile device, including any interference or obstructions. • Increase the volume on the headphones, your issue, contact Bose customer service. If your mobile device, then re-enable...
...;solutions to common problems. You can also access troubleshooting articles, videos, and other resources at: support.Bose.com/QCU If you are unable to videos. The status light glows according to room temperature. Connect using the Bluetooth menu on your mobile device, including any interference or obstructions. • Increase the volume on the headphones, your issue, contact Bose customer service. If your mobile device, then re-enable...
Owners Guide
Page 52
... device. If the battery is playing. Poor sound quality from a mobile device connected by an audio cable Make sure the headphones are wearing the headphones correctly. Connect again (see page 30). Try another phone call. Disable the Bluetooth feature on the headphones (see page 33). Multi-function button doesn't change the mode Use the Bose app to the ports (see page 14). The headphones don't support passive audio, meaning that they require power to make...
... device. If the battery is playing. Poor sound quality from a mobile device connected by an audio cable Make sure the headphones are wearing the headphones correctly. Connect again (see page 30). Try another phone call. Disable the Bluetooth feature on the headphones (see page 33). Multi-function button doesn't change the mode Use the Bose app to the ports (see page 14). The headphones don't support passive audio, meaning that they require power to make...