... touch screen, resolution: 480*272 pixels. 5 inch portable car GPS navigation with bluetooth and AV-IN1. 5 inch TFT touch ... .2. CPU: Centrality, At last 3,AT642D,ARM9,Samsung3. IC: Sirf Star three4. Operating system: Microsoft WinCE.NET 5.05. Storage ... , Music, Photo, Ebook, FM Transmit, Blue Tooth8. Numbers of signal receiver: 20 Channels9. Precision of Locating: Less than 10m 10. Antenna ...