SD/MMC card support,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