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

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