Resolution 960×540: a substantial increase in definition, strong compatibilityIPS technology applied: 178° viewing angle, which enables the user to see clearly without directly facing the screen5.5'' screen: the mainstream size of market mobile devices, good experience, suitable for single hand holdingcapacitive multi-touch screen: the picture size can be adjusted when viewing

Network browsing: network communication, screen display, touch action, work continuously above 48 hoursPrinting job: screen display, touch action, and more than 5000 order printing jobs (15 cm/order)dark screen standby: under the conditions of network stripe card communication, the standby time in dark screen state is over 30 days