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

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