Bose QuietComfort Ultra Headset Wired & Wireless Head-band Music/Everyday Bluetooth Black

Wearing style: Head-band | Connectivity technology: Wired & Wireless | Operating keys: Answer/end call | Carrying case: Yes | Control unit type: On-ear control unit | Fast charging: Yes | Depth: 50.8 mm | Fast charging time: 15 min | Microphone type: Built-in | Continuous audio playback time: 24 h | Control type: Buttons | Volume control: Button | Detachable cable: Yes | Weight: 250 g | Product type: Headset | Recommended usage: Music/Everyday | Charging source: USB | Battery operated: Yes | Width: 139 mm | Bluetooth: Yes | Height: 195 mm | Headset type: Binaural | Bluetooth version: 5.3 | Battery type: Built-in battery | Cables included: USB Type-C | Cables included: Audio (2.5mm to 3.5mm) | Product colour: Black | Foldable: Yes | Ear coupling: Supraaural | Carrying case weight: 200 g