Features Description:SoftwareOS: WinCE 4.2GPS Navigator: PaPaGo, TurboDog or T.B.D.Player: Zeustech Media PlayerPhoto Viewer: Zeustech Photo ViewerHardwareCPU: AMD MIPS 400MHzRAM: 64MBROM: 32MBDISPLAY: TFT 3.5”, 320*240, 16bits color per pixel TFT 4.0”, 480*272, 16bits color per pixelTOUCH PANEL: 4-wire resistive typeGPS: ATMEL (or option for SiRF star III)SD: MemoryUSB: ClientAUDIO: Stereo Earphote, Mono speakerKEY BUTTON: Up, Down, Left, Right, Enter, Escape, F1, F2 Jog Wheel for Volume and Back Light Power: DC 5V, 1A, Battery, 1800mAh for 5.5hr operationSupported Media FormatIMAGE: BMP, GIF, JPEG, TIFAUDIO: MP3, WMA, WAV