... and specification:*7 inch SamSung LCD and Touch Screen, Serial Port and USB port, SD slot*Embeded computer , AU1250CPU*7 inch touch screen ... USB ports: 2 USB 2.0*Sound card: Ac97*Serial port: 1 COM port*BIOS: Flash BIOSSupport online upgrade*Power supply: DC 12V ... Win CE/Android System Option *USB port, MINI USB port, 4-one card connection, MINI SD card port, Audio output interface, loudspeaker output ...