Features: Support USB wired and BT wireless connection, can be printed at a distance, more convenient to use. Thermal printing, no ink cartridge/carbon ribbon required, saves the cost of expensive consumables, clear printing. 58mm paper width, 48mm effective printing width, support 384 dot/line printing density. Small size and lightweight, easy to carry around. Built-in 1800mAh lithium polymer battery, long endurance time. Widely used in supermarket, restaurant, retail store, warehouse, parking lot, etc. Specification: Brand: Milestone Model: MHT-P11 Color: Black&Blue Printing method: Thermal Printing effective width: 48mm Printing command: ESC Printing speed: 60-90mm/s Printing density: 384 dot/line Printing character size: 12*24, 24*24 Printing interface: BT+USB Paper width(max): 58mm Supported paper: Thermal paper Paper diameter: 50mm Paper thickness: 0.05-0.15mm Barcode type: Code39, CODE128 Battery capacity: 1800mAh lithium polymer battery Charging time: About 3 hours Out of paper detection: Optocoupler detection USB interface type: Type-C Supported system: Android, iOS, Windows Item size: 11.2 * 8.1 * 5.6cm /4.41 * 3.19 * 2.2in Packing list: 1 * Printer 1 * USB charging cable 1 * Roll of paper(57*30mm) 1 * User manual