... , window ce 6.0 ,electronic map ,different languages ,etc M504T car GPS navigation device1. 5.0 inch TFT touch screen, solution: 480 ... ,E-Book8. Numbers of signal receiver: 20 Channels9. Antenna: with GPS internal porcelain Antenna 10. With FM Transmitter11. Battery: 1300 mAH ... -GO, Ndrive,ect14. support 19 languages 15. with outside speakera car GPS navigation device