Feature: 1. Wireless Operation: Connect to your mobile phone to print PDF, Word, Excel, Txt, Jpg files with ease, suitable for printing office and study materials, providing high resolution and clear printing effects. 2. Clear Printing: Adopt thermal printing technology, no need for ink or toner, fast transfer speed, low noise, stable performance, ensuring high resolution and clear printing results. 3. Portable Mini Printer: Portable A4 thermal printer is constructed with ABS material, lightweight and small, suitable for travel, office, study, and home use, easy to carry and space saving. 4. Long Lasting Battery: Built in 2550mAh lithium battery, long battery life, eliminates the need for a power source, allowing you to print anytime, anywhere without restrictions. 5. Wide Application: Suitable for various users including business travelers, drivers, mobile notaries, office workers, students, children, teachers, shop staff, etc., providing efficient and economical printing with thermal paper. Specification: Item Type: Portable Printer Material: ABS, electronic component Battery: Lithium battery 2550mAh (built in) Transfer Machine Size:Approx. 290 x 90 x 56.5mm / 11.4 x 3.5 x 2.2in Height With Non Slip Pad:Approx. 60mm / 2.4in Input: 5V 2A Charging Port: Type C Print Speed: 10mm/s (maximum) Printing Type: Thermal printing Applicable Printing Paper: Thermal printing paper Applicable Paper Size:Approx. 57-216mm / 2.2-8.5in Adjustable Range Of Paper Limiter:Approx. 58-216mm / 2.3-8.5in Communication Interface: USB/BT2.0 and BT4.0 Operating Temperature: 0~40°C Standby Time: About 30 days Charging Time: About 1.5 hours Support Connected Devices: Mobile (for IOS, for Android are supported), PC ( for Windows, for OS X). Package List: 1 x Wireless Thermal Printer 1 x USB Charging Cable 1 x Thermal Printing Paper Roll 1 x User Manual