1. 3.5 inch TFT touch screen, resolution: 320*240. Super slim model. 2. CPU: SAMSUNG S3C2440A-40 400MHZ 3. IC: Sirf StarIII ; with bluetooth 4. Operating system: WinCE 4.2 5. Storage: internal 128M Nand flash/external SD card 6. Types of operation methods: touch screen 7. Functions: Navigation, MP3, MP4, JPG picture, textbook, calendar 8. Numbers of signal receiver: 20 Channels 9. Precision of Locating:Less than 10m 10. Antenna: with GPS internal Antenna and reserved external GPS Antenna jack 11. Battery: with 1100mAH built-in Lithium battery, can continuously use for about 5 hours 12. DC IN: 5V 13. support different country's map; support 16 languages including French, German, Spanish, Holland, Hungarian, Portuguese, Russian, Swedish, Norwegian, Denish, Italian, Finnish, Romanian, simple Chinese, traditional Chinese, English 14. With TMC function for choice (Price Plus USD18)