... , Webcam2. Metal keyboard, digital keyboard with 16 keys3. Bluetooth connection, 3G modem, GPRS, Wifi4. 3D barcode scanner. ... cpu / memory / hard disk) 7. Printer: A4 laser printer,Ticket printer, receipt printer....8.Card Reader:RFID card reader, Non ... touch card reader, IC card reader, Magnitci card swipe9. Coin adapter ...