Feature:1. Portable Design: 58MM portable Bluetooth printer, compact and lightweight, easy to carry, allowing users to print anytime and anywhere.2. Bluetooth Connection: This printer supports Bluetooth connection without the need for a cable to connect to a computer or phone, with simple settings3. Thermal Printing: Adopting thermal printing technology to achieve excellent printing effect, clear text and images, and fast printing speed.4. Applicable Range: This Bluetooth printer is suitable for printing tickets, labels, reports, orders, etc., widely used in the catering and logistics industry.5. Print Specifications: Support line thermal printing, suitable for 58mm paper size, 203DPI resolution, can withstand long use and frequent movement.6. Built in Battery: This thermal printer has a built in 1400mAh lithium battery, ensuring long term continuous use, fast start up, and high efficiency.Specification:Item Type: Bluetooth PrinterPrinting Method: Line Thermal PrintingPaper Roll Maximum Outer Diameter: Approx. 40mm / 1.6inPaper Specification: 57.50mm0.5mm x 40mm (58mm)Printing Width: Approx. 48mm / 1.9inPrinting Speed: 70mm/secResolution: 203DPIPrinting Paper: Thermal printing paper, label paperBattery: 1 x 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 x Printer1 x USB Cable1 x Plug1 x User Manual