... in loud speaker(1W).USB: USB2.0, full speed, up to 12Mbps.Buttons/Switches: Three buttons: Power,Menu, Reset. No ... Battery SwitchBattery: Non-revmovable rechargeable Li-polymer battery up to 1250mAh.Car charger: Input DC +12V ,Output DC +5V, ... 2A, via USBOperating System: Microsoft Windows CE5.0 Core versionNavigation Software To be determined by customerMusic Player Audio file formats:WMA9, MP3 ...