Functions: . HD digital screen, 800*480 high resolution, with touch screen . Compatible with DVD/VCD/CD/CD-R/MP3/MPEG4//DIVX/WMA/JPEG . Built-in GPS navigation function . Built-in Bluetooth (support hand-free call system) . FM/AM stereo receiver,30 stations memory . Built-in TV tuner (TV system: PAL/NTSC/SECAM) . Treble/Bass/Balance/Fader/Volume control . DSP Preset EQ/Rock/Jazz/Classic/Pop . USB port and SD slot,support mp3 player . Support original steering wheel button control . Full-function OSD remote control . Buit in 4*45 W Hi Fi Amplifier . One channel AUX video input,Two channels Video output . Electronic & mechanical anti-shock system. 1 piece in a gift box, 4pcs in a carton.