1). Built in High precision SiRF Star III GPS system
2). Supports MP3(mp3,wma), MP4 (avi, mpg, asf, wmv) file from SD card
3). Supports SD card for guiding roadmap and software
4). 4.0" TFT touch screen
5). Chipset: Samsung S3C2440A-40
6). Operation system: WINCE4.2 Net
7). Software edit type: ARWV4
8). Frequency: 400MHZ
9). Support JPG/GIF/BMP/PNG file,txt file  
10). Built in GPS antenna and it also can connect extra antenna outside
11). Built in rechargeable lithium battery