3.5-inch TFT high-definition display display resolution is 320X240 Stereo earphone interface, hifi 1.5W speaker, the volume is adjustable. Button +touch screen Built-in high sensitivity SIGE GPS receiving module Built-in GPS antenna. Directly run SD card navigation software Play mp3,mp4* files video player supports files :avi audio player supports files: mp3,wav picture browser software supports BMP,JPG,PNG,GIF; Text browser supports: TXT Built-in single section lithium battery, it can be connected to the automobile cigar lighter.