1) All-in-one car gps navigation2) Support MP3/MP4, E-book, Picture-view3) Clearly spoken instructions4) Easy switching and updating E-map by removable SD card2. Specifications:1) CPU: Samsung ARM920T S3C2440A 400MHz2) GPS: SiRF Star III3) 7"(16:9), 480x234 pixels, Analog TFT LCD with touch screen?4) Speaker: Built-in 1W stereo speaker5) O/S: WinCE.Net 4.2 Core6) USB Device: USB1,17) SD/MMC: SD / MMC Multimedia Card Slot8) Battery: 2200mAh Li-ion rechargeable battery (Optional)
