... more to upgrade the map, and update the files of MP3, MP4 and so on. Feature * Built-in radar detection ... INYesSoftwareNavigationSupport wince navigation softwareSpeed Radar AlarmFriendly and easy OS,Sound alarm and picture windowMusic PlayerWMA9,MP3,WAVVideo PlayerWMV ... TS,3GPP/3GPP2,M3V,M3APictureJPG,BMP,GIF,PNGGameSome gameEbookTxt and chm formatSettingBacklight, time, volume, power, system Speed ...