1.WinCE 6.0/Linux/Android OS 2.Color touch screen 3.TI AM3715, 1GHz 4.1 USB(OTG type,Host ... type,Host port,Client port),1 USB(RS232port)Expansion SlotMini SD Card SlotAudioSpeaker (mono) x 1, Microphone x 1, VibrationyesKey SpecificationAlpha & ... Online/ Offline CertificationSmart CardEMV L1&L2 Certified Smart Card Reader, 2 SAMs slotMagnetic Card ReaderTriple Track (track 1, 2, & 3)PrinterHigh ...