Bose QuietComfort Ultra Headset Wireless In-ear Music/Everyday Bluetooth Black

Battery technology: Lithium-Ion (Li-Ion) | Width: 30.5 mm | Height: 17.2 mm | Extra earbuds: Yes | Battery type: Built-in battery | Charging source: USB | Continuous audio playback time: 6 h | Charging case weight: 59.8 g | Bluetooth: Yes | Carrying case: Yes | Cables included: USB Type-A to USB Type-C | Wearing style: In-ear | Operating keys: Volume - | Product colour: Black | Operating keys: Track | Charging case: Yes | Fast charging time: 20 min | Quantity: 2 | Battery recharge time: 1 h | Microphone type: Built-in | Battery operated: Yes | Charging case connector type: USB Type-C | Charging case dimensions (W x D x H): 66.3 x 26.7 x 59.4 mm | Fast charging: Yes | Product type: Headset | Left earpiece weight: 6.24 g | International Protection (IP) code: IPX4 | Connectivity technology: Wireless | Operating keys: Volume + | Volume control: Touch | Recommended usage: Music/Everyday | Depth: 22.4 mm | Ear coupling: Intraaural | Bluetooth version: 5.3 | Operating keys: Play/Pause | Operating keys: Track | Control type: Touch | Control unit type: On-ear control unit | Battery life: 360 min | Continuous audio playback time (with charging case): 24 h | Housing material: Metal, Plastic | Headset type: Binaural | Right earpiece weight: 6.24 g