Feature: 1. SMALL AND PORTABLE: 58MM portable micro Bluetooth printer is very small and portable, easy to carry, users can print anytime, anywhere 2. BLUETOOTH WIRELESS PRINTING: The printer support Bluetooth connection, no need to connect a computer or mobile phone through a cable, just need to set up to print, more convenient and fast 3. FAST AND CLEAR: The printer adopt thermal printing technology, which can achieve excellent printing effect, bring clear text and pictures, fast printing speed, and meet the daily printing needs of users 4. MULTIPLE APPLICATION SCENARIOS: The printer is suitable for a variety of application scenarios, can be used to print receipts, labels, reports, orders, etc., widely used in retail, catering, express delivery, logistics and other industries 5. EASY TO OPERATE: The printer is simple to operate, you only need to follow the instructions for simple settings, you can quickly get started without professional knowledge 6. DURABLE AND RELIABLE: The printer has excellent quality and reliability, and can withstand a long time of use and frequent movement, ensuring a long service life Specification: Item Type: Bluetooth Receipt Printer Printing Method: Line thermal printing Maximum Outer Diameter of Paper Roll: Approx. 40mm / 1.57in Paper Size: 57.50mm±0.5mm x dia 40mm (approx. 58mm / 2.28in) Print Speed: 70mm/sec Resolution: 203DPI Printing Paper: Thermal printer paper, label paper Battery: 1 x 7.4V rechargeable lithium battery 1400mAh Interface: USB 2.0, Bluetooth 2.0 Print Character Library: All characters of for GBK character library and for ASCII character library; Pictures(one dimensional code, two dimensional code, etc.) Control Instruction: Compatible with ESC or POS print instruction set Voltage: AC110-240V. Package List: 1 x Printer1 x USB Cable1 x Plug1 x User Manual