Short satellite acquisition time; High-precision positioning; Voice navigation function Built-in antenna and external antenna interface; Can receive the satellite signals under bad conditions; Easy to achieve positioning and navigation functions 3.5-inch 260 K color TFT display; High-resolution and clear images Touch-screen, easy to operate Video playback function: Support playback of several video formats. Audio playback function: Support audio formats such as MP3, WAV and WMV etc; Can display the song information and lyrics. Picture viewing fuction: Support multiple photo formats, slide display and background music PDA function: Standard WinCE interface; Support normal functions as file management. Support SD card. Movable storage function; USB2.0 high speed transfer; No driver needed underWindows 2000/XP Detachable high-capacity lithium battery Build-in loudspeaker.