Features: Support USB wired and BT wireless connection, can be printed at a distance, more convenient to use. Thermal printing technology, no ink cartridge/carbon ribbon required, saves the cost of expensive consumables, clear printing. 80mm paper width, 72mm effective printing width, support 576 dot/line printing density. Portable handheld printer, small and lightweight, easy to carry. Built-in 3600mAh lithium battery, long endurance time. Widely used in supermarket, restaurant, retail store, warehouse, parking lot, etc. Specification: Brand: Milestone Model: MHT-P8001 Printing method: Thermal line printing Print command: ESC/POS Print width: 72mm Character size: 12*24 point Print density: 576 dots/line Print speed: Max.90mm/s Interface: USB+BT Paper width: 79.50.5mm Mechanical properties: 50KM Roll diameter: 50mm Operating System: Compatible with Android, iOS, Windows Built-in lithium battery: 3600mAh(1800mAh*2) Power adapter: Input AC220V; Output DC 9V/1A Code Type: 1D: UPC_A/JSN13(EAN13)/JAN8(EAN8)/CODE39/ITF/CODABAR/CODE93/CODE128, 2D: QR code Item size: 12.5 * 11 * 5cm /4.92 * 4.33 * 1.97in Packing list: 1 * Printer 1 * USB cable 3 * Roll of paper(1 roll has been installed in the printer) 1 * Power adapter 1 * Protective case 1 * User manual