... 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 ... Built-in 64MB SDRAM,(128MB optional)NAND FLASH 128MB,support up to 4GBOS Windows CE 5.0EXPAND STORAGE support TF card,maximum ... Charging port DC 5V portVIDEO support ASF,AVI,WMV,3GP,MP4,FLVAUDIO supportMP3 and WMAPHOTO VIEWER support JPG, GIF, BMP, PNGEBOOK ...