... windows CE 5.0 system 2. video function and mp3 3. FM , bluetooth are optional. More features of GPS navigation ... can be directly run the navigation softwareAudio Player software support MP3 and WMA;Video player support: ASF,AVI,WMV,3GP,MP4,FLVPictures ... DC 5V,be connected to the car cigarette lighter through adapterMain functionsnavigation,vedio,AudioE-book, FM,pictures view Weight (Device + Box + ...