Portable card speaker 1.Support read SD card and USB flash ... .Good sound quality Color blue, red, purple, white, pink,etc. Portable card speaker Support FM radio, SD card and USB flash ... color box package Usage MP3,MP4,SD Card,Computer etc. Portable card speaker Support FM radio, SD card and USB flash ... )One AUX and one DC5V port (3)Five buttoms for play work (4)Output power:3W*2W(RMS) (5)Power voltage ...