Portable card speaker 1.Support read SD card and USB ... 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 ... and light, enjoy music when you are at home, traveling outdoor and anywhere you like. 2.Specifications: (1)OFF/ON ...