Bluetooth resonance speaker Dimensions W x D x H: 54 x 54 x 64 mm Dimensions W x H x D: 54 x 64 x 54 mm Transmission range: ... Frequency range: 50...20 000 Hz Colour: Black Compatibility: iPad / iPhone / iPod touch / Smartphones Connections: Bluetooth 2.1 / 3.5 mm Jack Plug / USB Power supply: Rechargeable battery / USB Radio function: No Remote control: No Simultaneous charge of iPad/iPhone: No Wireless: Yes Power: 10 W