Color: Triple Black Brand: BOSE Condition: Like New Features: _Bluetooth NFC Wireless _AUX Cable Input _Splashproof _12-hour Battery Life _True 360° Sound _Rechargeable Battery via USB Deep. Loud. And immersive, too. The SoundLink Revolve Bluetooth speaker delivers true 360° sound for consistent, uniform coverage. Place it in the centre of the room to give everyone the same experience. Or set it near a wall so sound radiates and reflects. Durable and splashproof, it features a rechargeable battery that plays up to 12 hours.