Specifications :
* Frequency Response: 150Hz-20KHz
* Drivers: 30mm neodymium magnets
* Up to 12 hours playback time
* LED battery status indicator
* Battery voltage/capacity: 470mAh
* 3.5mm audio jack & USB
* Loudspeaker Output: 2 x 3W
* Carrying case included
* Approximate size: 70 mm (length) x 70mm (width) x 53 - 64 mm (height)