... ,car mp3 fm modulator,car mp3 transmitter,car fm transmitter, car mp3 modulator car mp3 player,car mp3 player with fm transmitter,car mp3 fm modulator,car mp3 transmitter,car fm transmitter, car mp3 modulator1)Read MP3/WMA files from USB flash ... disk or SD/MMC card, transmit music signal over car FM tuner, then enjoy music via car stereo.2)Support external audio player (MP3 Player ...