4.3 inch LCD TFT Touch Screen Resolution:480*272 pixels(WQVGA) Use 82A/82F Motherboard Voice Navigation, Voice prompted address entry-Enter city, street, and number without touching screen Choice of Route Setup: Faster time, shorter distance, Off road Text-to-speech: Spoken turn-by-turn voice instructions including street and place names Position Accuary:10m Rate 0.1 m/s Basic Function: GPS Navigatioin, Audio Player, Video player,E-Book,electronic photo album, handwriting input,Game,Flash player. Calculator, notpad, translate, wallpaper, Unit, Canlendar 2 GB Internal Flash Memory and SD slot for additional storage (can plus 4G TF Card, optional) USB car charger, Lithium-ion Battery life: Up to 5 hours Built-in FM transmitter: Broadcast your music, calls & voice instruction over your car radio Support multiple languages