Detailed Product Description 1. 7 inch TFT touch screen Gps Navigation system, solution: 800*480(RGB) 2. CPU: SAMSUNG S32443-40(400MHZ) 3 ... 6. Types of operation methods: touch screen, keystroke 7. Functions: Navigation, MP3, MP4, JPG picture, textbook, calendar 8. Numbers of ... service of audio visual products. Our main products include car navigation GPS, DVB-T receiver / Set Top Box, DVD, DIVX, ...