Features: Thermal receipt printer, 48mm print width, 50-80mm/s print speed, clear printing and high efficiency. Direct thermal printing, eliminating the need of ink cartridge or consumable, environmental friendly and money saving. USB and BT connection, support edit with "DLabel"(software or APP), support ESC/POS command, compatible with Windows XP/7/8/10, Android, iOS. Built-in 1500mAh lithium battery, once fully charge can be used for 10 hours continuously, you can print anytime and anywhere. Widely used in supermarket, shopping mall, restaurant, cafe, bank for printing receipt, post receipt, order, barcode, etc. Specifications: Color: Black Material: ABS + PMMA Print Mode: Thermal Line Printing Paper Width: 58mm Print Width: 48mm Print Density: 384 dot/line Print Speed: 50-80mm/s Roll Diameter: Max. 40mm Interface: USB + BT Print Command: ESC/POS Operating System: Windows XP/7/8/10, Android, iOS Voltage: DC 5V, 2A Battery: Built-in 7.4V, 1500mAh Lithium Battery Charging Time: 4 hours Standby Time: 48 hours Working Environment: Temperature: -10-50℃, Humidity: 20-85% Storage Environment: Temperature: 15-20℃, Humidity: 45-75% Item Size: 10.2 * 7.4 * 4.5cm/ 4.0 * 2.9 * 1.8in Item Weight: 196g/ 6.9oz Package Size: 15.1 * 12.5 * 6.5cm/ 5.9 * 4.9 * 2.6in Package Weight: 365g/ 12.9oz Packing List: 1 * Thermal Printer 1 * Thermal Paper 1 * USB Cable 1 * User's Manual