1 mobile speaker for for Mp3, mobile phone,notebook PC,PC, Mp4, DVD, VCD
2 Tumbler design, never falling down whatever where you put it
3Easy charging-can be automatically charged by USB line
Output power: 2W
Frequency response: 200Hz-12KHz
Speaker: 50mm speaker
CORD plug: stereo 3.5mm
Li-ion input: 3.7V*200mA
Li-ion output: 4.2V±0.05A