Window CE6.0 OS GSM/GPRS/EDGE /CDMA/3G Modem inbuilt WIFI,BT,GPS,Mag,ICreader integrated Options:Camera,RFID,1D/ ... ,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) ...