... 3.Small mini simple & high quality 4.Remote control plastic mp3 panel1, Functions instructionFeatures: 1.Support EQ, single cycle, random choice2 ... control in 8 meter4.Support USB&SD card switchover5.Support MP3/WMA format6.with electronic circuit board 2, Mainboard keys operation ... board, Car no disk drive , Magic ball stage light mp3 decoder board, MP3 bluetooth , ect.We can add USB/SD function or ...