product name: gps navigation with 3.5" touch screen model number: hs-n350i place of origin: china 1. 3.5 inch 240*320 lcd color screen, with touchable screen 2. at440-1 processor (324mhz) 3. os: based on microsoft windows ce.net 5.0 core 4. multi-language support with input method 5. internal lithium battery 6. usb 1.1 (full-speed) 7. support wmv,avi,asf,mp3,wma,wav media format 8. txt format files browser(e-book) 9. photo scan: jpeg,bmp 10.tmc function 11.sd memory card expansion 12.headphone/built-in speaker 13.sd card/map(option) 14.locates:10 meter. 90% sensitivity 0.1 m/s. 15.localization time:localization:0.1s 16.dimension:95*77.5*22mm 17.weight:175g