... red, purple, white, pink,etc. Portable card speaker Support FM radio, SD card and USB flash FOB ... MP3,MP4,SD Card,Computer etc. Portable card speaker Support FM radio, SD card and USB ... Power voltage:DC 5V (6)Frequence response:100HZ-20KHZ (7)SNR:>70DBA 3.Description: (1)High Quality Stereo and wallyson sound speaker ... 4)Connect 3.5MM stereo audi cable to speaker socket Line in,you can enjoy the music ...