1. 3.5 inch TFT touch screen, resolution: 320*240. Super slim model.   
2. CPU: SiRF (Atlas III 300MHz)      
3. Operating system: WinCE 5.0      
4. Storage: 64 Mbytes NAND flash + 64 Mbytes SDRAM      
5. Types of operation methods: touch screen      
6. Functions: Navigation, MP3, MP4, Photo and Ebook,
7. Numbers of signal receiver: 16 Channels      
8. Precision of Locating:Less than 10m      
9. Antenna: internal Antenna       
10. Battery: with 1200mAH built-in rechargable Li battery, up to 4 hours    
11. DC IN: 5V      
12. With 1W speaker      
13: Dimension:3.83"x3.11"x0.65"      
14. Weight:6 oz  

Instruction Video

http://www.youtube.com/watch?v=I4UaIbrc2-s