... support windows ce 6.0 OS and 128mb ram, car global gps system built in FM,E-book,Photo view and MP3, ... 5V -1.5A, charged by car chargerFunctionGPS Navigation,FM transmitter, MP3/MP4, E-bookEnvironmentWorking temperature -10°C to +70C Keeping temperature ... -40°C to +80°C AudioplayerSupport MP3, WAV, MID,DAT,ASXVideoplayerSupport MP4, AVI, ASF, WMV, SEFPhoto browserSupport JPG, PNG ...