3.5 inch car GPS MP3/4,Ebook,photo viewer Win CE 5.0 system Support SD card 20 country language 3.5 inch TFT touch screen car GPSResolution ... 6.0 Operating system Built in GPS antenna and it also can connect external antenna Functions: Navigation, MP3, MP4, JPG picture,E ... 6.0 Operating system Built in GPS antenna and it also can connect external antenna Functions: Navigation, MP3, MP4, JPG picture,E ...