Features *3.5 inch 240*320(QVGA)LCD color screen, with touchable screen *AT440 processor (300Mhz) *OS: Based on Microsoft Windows5.0 *Multi-language support with input method *Internal Lithium battery *USB 1.1(full-speed) *Support WMV,AVI,ASF,MP3,WMA,WAV media format *Text Format Files Browser(E-book) *Photo Scan: JPEG,BMP *SD memory card expansion *Headphone/built-in speaker *SD Card/Map (option) *Locates:10 Meter. 90% Sensitivity 0.1 m/s. *Localization Time: 0.1 s *Dimension:98*80*22mm *Weight:196G Accessories: Main Unit Car lighter adapter AC Adapter Carmounting bracket User Manual SD Card reader OR USB line