... 2)Built-in functions: Car DVD,TV,FM,AM, 3)4x40w amplifier, 4)Touch screen , 5)GPS,Bluetooth,USB ... Jack, SD slot 6)Touch Screen: It reduces visible buttons and increase friendliness ... dialogue7)Bluetooth:hardware eliminate echo technology,can match 8 mobile phones.8)TV receiving : High sensitive TV ... for rear view camera ) 16)Compatible with DVD,DVD-R,DVD-RW,HDVD,DVCD, MP3,MP4,CD-R,CD ...