... card (2G,4G,8G,16G,32G)BatteryBuilt in one rechargeable lithium battery 1250mAHPowerDC 5V -2.0A, charged by AC charger ... or car chargerFunctionGPS Navigation,FM transimitter, MP3/MP4, E-bookEnvironmentWorking temperature -10°C to +70°CKeeping temperature ... -40°C to +80°CAudioplayerSupport MP3, WAV, MID,DAT,ASXVedioplayerSupport MP4, AVI, ASF, WMV, SEFPhoto browserSupport JPG, PNG, GIF, ...