SD/MMC card xupport,USB flash support,FM radio                      

 MP3 format decoder                     Remote control                          

 Volume control                        

 Work with all audio sources with a3.5mm jack                            

Power Led indication and li-on battery charging indication                    

 Outer put: RMS 3W x 2Frequency: 100HZ---18KHZ Drive unit: 3"x2/4Ω   S/N: ≥75db Dimension: W220x D120x H140mm               Power supply: ~5V-USB 3.5 stere head.                        

Lithium battery:BL-5C 1000mAh                                 Materials:Wooden