... .Y401 4.3 inch TFT touch screen,high solution screen,With FM Transmitter, bluetooth , AVin , Operating system: WinCE 6 1 ... : 480*272. 2. CPU: Centrality Atlas IV,533 MHZ3. with Bluetooth support handfree calling(Optional)4. Operating system: WinCE 6 ... Numbers of signal receiver: 20 Channels9. Antenna: with GPS internal porcelain Antenna 10. With FM Transmitter11. Battery: 820 mAH lithium battery12 ...