... fm transmitter usb 1.FM,USB.SD and MMC 2.Compatible WMA, WAV ,ASF formats 3.AUX,EQ,Electronic audio control ... enjoy your music6.Accessories:remote control,audio line,user manual7. Read MP3 files from USB flash disk or SD/MMC card, ... ,then enjoy music via car stereo. 8.Support external audio player(MP3 Player,CD,VCD,etc.). 9. Support queue ... OEM support Instructions car mp3 player fm transmitter usb