1 High Quality Stereo and wallyson sound speaker
2 With SD/MMC,U-disc reader MP3/WMA format music can be played.
3 Connect DC5V adaptor/USB to be recharged
4 Connect 3.5MM stereo audi cable to speaker socket Line in,you can enjoy the music from mobile phone,mp3,mp4,pc,ipod and other audio devices.
5 With FM

Input: 5V
Output: 3.7V*500MA
Noise Ratio: ≥80dB
Frequency: 100Hz-18kHz
Built-in rechargeable
Li-ion Battery
Support SD memory card and USB disc
Built-in FM radio