... flash / external SD card 7 inch touch screen GPS Navigator Main features:1. 7 inch TFT touch screen, solution: 800*480 2. CPU: ... SAMSUNG S3C2443 400MHZ 3. IC: Sirf StarIII 4. Operating system: WinCE ... / external SD card 6. Types of operation methods: touch screen, keystroke 7. Functions: Navigation, MP3, MP4, JPG picture, textbook, calendar 8. ...