... navigation system Touch screen TFT-LCD,800*480 high resolution Built-in Bluetooth,MP4,AV-IN, 7" New model auto portable GPS navigation system ... Touch screen TFT-LCD,800*480 high resolution Built-in Bluetooth,MP4,AV-IN, FM 1)Screen ... :Frequency reconcilable extension 76MHz ~ 108MHz8) Support AV in,visually back a car and Support FM Transmit .Video player support(MP3 ...