... ,POS terminal with GPRS/GSM/wifi/bluetooth interface 2,GPS,camera, RFID for options 3,WIFI, GPRS/GSM, Bluetooth interface handheld pos ... , dual power mode, also with call feature. The new layout for the keyboard upgrade, the upgraded layout is more ergonomic, functional ... , can retain data for 4 hours, to prevent accidental data loss and other power5. Extend hardware options: GPS, camera, RFID, etc.6 ...