All keys supply red and blue LED LCD with seven colors like red ,green and blue Built in GPS system,no need external GPS device Support iPod control Front panel with AUX input port Cool and unique Graphical User Interface design Built in bluetooth for hands free call Support Steering wheel control Function description: 7inch 16:9 Motorized TFT LCD monitor. (RGB) touch screen with Graphical User Interface. DVD/VCD/CD/MP3/MPEG4/DIVX/CD-R/WMA/JPEG Built in GPS system,no need external GPS device GPS Navigation handwriting function Dual Zone(music or radio while in GPS Navigation mode) Built in TV tuner, PAL/NTSC or SECAM compatible Built in FM/AM tuner, reset 24 bits Built in bluetooth for hands free call Built in 4x45W amplifier 1AV input.1 AV output. Auto rear viewing function Mute at telephone calling Screen angle / Position Memory Picture adjustment (brightness, contrast, color, settings) SD Card support MP3/MP4/WMA/AVI/JPEG under DVD function Twenty-four hours display Full function remote control USB port support MP3/WMA and JPEG photos