Product Description Features: -3.5 inch digital screen, 64k color with touch function -Build-in High Sensitive SiRF START III GPS Reception Module -Built-in GPS Antenna and External Antenna Connectable -Voice Guidance Different language optional -Multi-languages selection (support English, Italian, French, Spanish, German, Portuguese, Dutch, Danmark, Swedish, Norwegian, Greece, Czech, Russian) -Audio Support: WMA, MP3 and WAV format, etc. -Video Support: Wmv, asf and avi format, etc. -Picture Support: JPG, BMP PNG format, etc. The max up to 2500*2500 pixels -Textbook: Support txt format -Support SD card -Internal Lithium battery (lasts 5 hours)