Features: Compact and lightweight, easy to carry, low noise and high speed printing, USB Bluetooth printer. Support client local program upgrade. Support a variety of take-away software, while supporting computer and mobile phone printing, computers with USB interface, mobile phones with Bluetooth connection. It can be used for 5-7 days after being fully charged. The indicator light is on when charging, and the indicator light is off after charging. Widely used in major industries such as supermarkets, shopping malls, restaurants, fast food restaurants, cake shops, etc. Support system: for Windows, iOS, Android. Specification: Printing Speed: 100mm / s Printing Method: Hot line printing Effective Printing Width: 78 mm Density: 8 / mm, 384 points / line Print Characters: ANK: 8 * 12, 16 * 24, GBK: 16 * 24, 24 * 24 ANK Per Line: 48, 32 GBK: 24, 16 Paper Type: Thermal label paper Paper Width: 80mm Roll Diameter: 40 mm Core Diameter: 15mm (minimum) Paper Thickness: 0.12mm Printhead Life: 50 km Instruction Set: ESC / POS USB Interface: Mini USB Size: Approx. 13 * 11 * 3 cm/ 5.1 * 4.3 * 1.2 in Package Weight: 484 g Package Iist: 1 * Mini Thermal Printer 1 * USB Cable 1 * Thermal Printer Paper 1 * CD-ROM Note: After receiving the package, please check the package contents. If you have any questions, please feel free to leave us a message! .