1,gps navigation 2,OS:Win CE5. 3,Touch screen 4,support bluetooth 5,car gps 5 inch GPS NavigationCPU MSTAR 2501 400M. SCREEN ... 5.0 inch TFT touch screen 480RGB ... Built-in 64MB SDRAM,(128MB optional)NAND FLASH 128MB,support up to 4GBOS Windows CE 5.0EXPAND STORAGE support TF card,maximum supported ...