1) With CAR CHARGE ,U DISK, CAR MP3 PLAYER function,can charge for mp3/MP4,mobilephone, Camera etc. through connect the USB cable,2)Have removable storage function and a Capacity of 4G, download documents in the WINDOWS resources manager and realize USB2.0 high-speed data transmission.3)Adopt Actions audio decoder chip, support MP3, WMA, ASF, OGG and APE and have good acoustic fidelity.4)Support a variety of sound effect modes and have unique SRS surround sound effect.5) Built-in FM Wireless transmitter, transmitting range: 87.5MHz ~ 108.0MHz,total 206 frequencies optional.6)Car cigarette Lighter power supply(12V DC);7)Infrared remote control.