Bose QuietComfort SC - headphones with noise-cancelling technology

Volume control: Button | Fast charging: Yes | Detachable cable: Yes | Recommended usage: Music/Everyday | Width: 152.4 mm | Battery recharge time: 2.5 hours | Control unit type: On-ear control unit | Fast charging time: 15 min | Control type: Buttons | Wearing style: Head-band | Height: 184 mm | Ear coupling: Circumaural | Depth: 76.2 mm | Bluetooth version: 5.1 | Charging source: USB | USB Type-C ports quantity: 1 | Battery operated: Yes | Headset type: Binaural | Battery type: Built-in battery | Number of simultaneously connected devices (max): 2 | Connectivity technology: Wired & Wireless | Bluetooth: Yes | Wireless range: 9 m | Cables included: USB Type-C | Cables included: Audio (2.5mm to 3.5mm) | Weight: 240 g | Product colour: Black | Carrying case weight: 180 g | Warnings: Regularly check the condition of the batteries to prevent leaks. | Warnings: Keep away from children. | Noise canceling: Yes | Warnings: Do not use near sources of heat or flame.