... USB, RS232, AV in Support Headrest Mounting 8" Vehicle Tracking System WinCE/Linux, WiFi, Bluetooth, LAN, GPS optional, AV inSpecifications:8 ... x 2SD card supports up to 8GKeyboard or Mouse supportsEar phone slot x 1Speaker (front) x 2AV inPower input: DC 9 ... batteryAccessories:P/S2 to RS232DC adapterCD driveBracket 8" Vehicle Tracking System WinCE/Linux, WiFi, Bluetooth, LAN, GPS optional, AV in ...