... Atlas III,400 MHZ GPS Navigation support 20 language 1. 5.0 inch Navigator, TFT touch screen, solution: 480*272. Flat touch ... with Bluetooth support handfree calling(Optional) 4. Operating system: WinCE 5.0 5. Storage: internal 128M Nand flash / external SD card 6 ... . Types of operation methods: touch screen 7. Functions: Navigation, MP3, MP4, ...