1. FM Radio function
2. Card insert function(Support MP3, USB, SD/MS/MMC card)
3. Can contact with computer, mobile, MP3, MP4, MP5, IPOD and other audio source equipment;
* Dimension: 180*90*70mm
* Charging Voltage:DC5V±0.5V/500mA
* Frequency Response: 20Hz - 20KHz
* Working Current: <800mA
* Output Power: 3W x2 (RMS) or 8Wx2
* Speaker Impedance: 4Ω
* Radio Frequency Range:FM 87.5 108 MHZ