Feature 1Portable Design: 58MM portable Bluetooth printer, compact and lightweight, easy to carry, allowing users to print anytime and anywhere. 2Bluetooth Connection: This printer supports Bluetooth connection without the need for a cable to connect to a computer or phone, with simple settings 3Thermal Printing: Adopting thermal printing technology to achieve excellent printing effect, clear text and images, and fast printing speed. 4Applicable Range: This Bluetooth printer is suitable for printing tickets, labels, reports, orders, etc., widely used in the catering and logistics industry. 5Print Specifications: Support line thermal printing, suitable for 58mm paper size, 203DPI resolution, can withstand long use and frequent movement. 6Built in Battery: This thermal printer has a built in 1400mAh lithium battery, ensuring long term continuous use, fast start up, and high efficiency.Item Type: Bluetooth PrinterPrinting Method: Line Thermal PrintingPaper Roll Maximum Outer Diameter:40mm/1.6inPaper Specification: 57.50mm0.5mm*40mm (58mm)Printing Width:48mm/1.9inPrinting Speed: 70mm/secResolution: 203DPIPrinting Paper: Thermal printing paper, label paperBattery: 1*7.4V 1400mAh Rechargeable Lithium Battery (built in battery)Interface: USB 2.0, Bluetooth 2.0Print Font Library: All characters from GBK font library and ASCII font library; Images (1D 2D code, etc.)Control Instructions: Compatible with ESC POS printing instruction setVoltage: AC110-240V Package List:1*Printer1*USB Cable1*Plug1*User Manual