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

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