Bose QuietComfort SC - headphones with noise-cancelling technology

Ear coupling: Circumaural | Wearing style: Head-band | Battery recharge time: 2.5 hours | Number of simultaneously connected devices (max): 2 | Headset type: Binaural | Width: 152.4 mm | Control type: Buttons | Depth: 76.2 mm | Volume control: Button | Fast charging time: 15 min | Battery type: Built-in battery | Recommended usage: Music/Everyday | Battery operated: Yes | USB Type-C ports quantity: 1 | Control unit type: On-ear control unit | Height: 184 mm | Detachable cable: Yes | Charging source: USB | Fast charging: Yes | Bluetooth version: 5.1 | Wireless range: 9 m | Weight: 240 g | Bluetooth: Yes | Cables included: USB Type-C | Cables included: Audio (2.5mm to 3.5mm) | Product colour: Black | Connectivity technology: Wired & Wireless | 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.