Sony WHXB910N Headphones Introducing the WH-XB910N: Featuring Sony’s signature deep, punchy EXTRA BASS sound, with real vocal clarity for a rich, well-rounded listening experience. Active noise cancelling with Dual Noise Sensor technology lets you truly shut out the world. With up to 30 hours of battery power, the WH-XB910N Bluetooth noise cancelling headphones are the ideal travel companion for long road trips or weekends away. Even a quick 10-minute charge will deliver up to 4.5 hours of playback with the optional AC charger. Multipoint connection lets you connect two Bluetooth devices at the same time for true convenience, and the foldable design (plus carry case) makes travel and storage a breeze. Accessory List: Carrying Case Connection Cable USB Cable Type-C® Depth: 30.9 MM Height: 80 MM Width: 34.9 MM Battery Life (in hrs): 30 Bluetooth: Y Dongle Required: N MP3 Accessories Type: Cases Noise Cancellation: Y Power Output: Up to 20W Wifi Enabled: N