For incredible sound and deep bass in a compact package, choose the Bowers & Wilkins T7 Portable Bluetooth Speaker, which has 2 bass radiators. Micro Matrix technology, which is a rigid honeycomb of interlocking cells that brace the cabinet, helps to reduce distortion and cabinet vibration, ensuring your music always sounds its best. This speaker is also simple to use, and features intuitive light signals and audio cues instead of buttons, so you can be listening to your music in no time. Speaker Features Battery Life: up to 18 hours Battery: Rechargeable Audio Components: 2 x drivers, 2 x bass radiators Wireless Connection: Bluetooth