1) Read MP3 files from USB flash disk,SD/MMC card. transmit music signal over car FM tuner, then enjoys music via car stereo. 2) LCD screen Display ID3 Tags:the name of songs,frequency display and work state; 3) Supports external audio player (MP3 player, CD and VCD). 4ï¼ÂÂÂDraws power from the cigarette lighter in the car: DC12V/24V power. 5ï¼ÂÂÂExcellent sound quality, extreme music experience. 6 ) USB: Standard USB2.0 port, high-speed transmission. 7) Infrared remote controller.Can choose the music and frequency directly.