1.Wireless POS terminal 2.7" touchscreen 3.Android 2.3 operating system 4.MSR,contactless card reader. 5.WIFI,Bluetooth WIFI wireless POS machine ... audio output, Microphone inputI/O ports1*miniUSB OTG,1*TF, 1*earphone, 1*HDMI, 1*SIM CARD,1*DCINAccessoriesPower adapter, Instruction, Warranty cardGPSOptionalLed DenotePower DenoteButtonpower button ...