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

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