English 
Eesti 
Suomi 
Lietuvių 
Latviski 
Bose Quietcomfort Ultra Headphones Black
Key Specs
| Wearing Style | Dual Ear with HeadbandFoldable: Yes Earpiece Swivel: No |
|---|---|
| Earpiece Design | Over-Ear (Circumaural) |
| Active Noise Cancellation | Yes |
| Built-In Controls | Yes, on Earpiece |
| Sensors | Touch |
| Noise Cancelling Microphone | Yes |
| Number of Voice Mics | 12 |
| Runtime | 24 Hours |
Headphone
| Wearing Style | Dual Ear with HeadbandFoldable: Yes Earpiece Swivel: No |
|---|---|
| Earpiece Design | Over-Ear (Circumaural) |
| Open/Closed-Back | Closed-Back |
| Sound Field | Spatial Audio Support, Stereo |
| Number of Drivers | 1 per Earpiece |
| Driver Type | Dynamic |
| Active Noise Cancellation | Yes |
| Built-In Controls | Yes, on Earpiece |
| Sensors | Touch |
Microphone
| Built-In Mic | Yes, on Earpiece |
|---|---|
| Noise Cancelling Microphone | Yes |
| Number of Voice Mics | 12 |
Connectivity
| Wireless | Bluetooth 5.3 |
|---|---|
| Wireless Range | 30' / 9.1 m (Bluetooth) |
| Bluetooth Profiles | A2DP, HFP, AVRCP, BLE |
| Multipoint Support | Yes |
| Maximum Paired Devices | 2 |
| Audio Connector | 1x 1/8" / 3.5 mm TRRS |
| Audio Connector to Earpiece | 2.5 mm TRRS |
| Cable Length | 39" / 99.1 cm (1/8" / 3.5 mm)20" / 50.8 cm (Charging Cable Only) |
| Mobile App Compatible | Yes: Android & iOSApp Name: Bose MusicFunctionality: Adjust Settings, Firmware Update, Setup |
Battery
| Runtime | 24 Hours |
|---|---|
| Quick Charging Times | 15 Minutes for 2.5 Hours |
| Recharge Time | 3 Hours |
| Battery Chemistry | Lithium-Ion Polymer (LiPo) |
| Charging Input | USB-C |
| Wireless Charging | No |
Physical
| Color | Black |
|---|---|
| Environmental Resistance | No |
| Dimensions | 7.7 x 5.5 x 2" / 19.6 x 14 x 5.1 cm |
| Weight | 0.5 lb / 0.2 kg |
Packaging Info
| Package Weight | 1.36 lb |
|---|---|
| Box Dimensions (LxWxH) | 8.9 x 7.1 x 2.6" |
