1. Creative original design. The design was inspired by Darth Vader, Great in Power, Great in talent. 2. Arc design with shell process that conforms to ergonomics, easier to hold with one hand, say goodbye to traditional industrial device, more modern & more fashionable. 3. 5.5-inch capacitive screen, less than 1kg, mainstream size of market mobile devices, good experience, suitable for single hand holding. 4. With built-in 58mm thermal receipt printer, 70mm/s printing speed, 50km print head span, about 5000 times continuous flip. 5. Built-in battery 5200mAh. work continuously for 25 hours, dark screen standby time of above 18 days, 5500 order printing jobs. 6. 1G RAM+8G (2G+16G) Flash can support 3G, 4G, NFC. 7. With designable docking station. 8. Two way to support power charge: docking station or charging by cable directly. 9. 1D bar-code with quick identification, designed for scanning 1D bar-code, you can press the side button at any interface to quickly start the 1D bar-code identification function. Products Description Operating system Android 8.1 Color Black / Blue Touch panel G+F Capacitive multi-point touch Display size 5.5-inch HD  Resolution 720*1280 CPU Quad Core Cortex-A7 1.3GHz RAM+Flash 1G + 8G Nand Flash Network 3G: GSM900/1800 WCDMA2100 TD-SCDMA: B34 B39 / FDD-LTD: B1 B3 / TDD-LTE: B38 B39 B40 B41 Bluetooth Bluetooth 4.0 Wi-Fi Wi-Fi 802.11 b.g.n Speaker 1W Single Channel Microphone MIC Input Camera 500W auto Focus Printer Built-in 58mm thermal receipt printer Printing speed: 70mm/s Work life: 50KM Paper roll: Max diameter 42mm Scanner 1D barcode scanner optional NFC With Power charge stand Yes Battery 7.4V / 5200mAh Power adaptor Input: AC 100-240V/1.5A 50/60Hz Output: DC 12V, 1A I/O panel MIC, USB, SIM Slot Packing size 21*8.75*5.5cm Weight 500g