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

Battery operated: Yes | Cables included: USB Type-C | Bluetooth version: 5.1 | Depth: 76.2 mm | Product type: Headset | Product colour: Black | Carrying case: Yes | Ear coupling: Supraaural | Headset type: Binaural | Continuous audio playback time: 24 h | Weight: 240 g | Fast charging time: 15 min | Wearing style: Head-band | Operating keys: Volume + | Width: 1524 mm | Battery type: Built-in battery | Control type: Buttons | Volume control: Button | Detachable cable: Yes | Charging source: USB | Connectivity technology: Wired & Wireless | Operating keys: Volume - | Battery recharge time: 2.5 h | Microphone type: Built-in | Cables included: Audio (2.5mm to 3.5mm) | Height: 184 mm | Control unit type: On-ear control unit | Fast charging: Yes | Bluetooth: Yes | Recommended usage: Music/Everyday | Warnings: Regularly check the condition of the batteries to prevent leaks. | Warnings: Keep away from children. | Carrying case weight: 180 g | Warnings: Do not use near sources of heat or flame.