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 PrinterMaterial: ABS, electronic componentBattery: Lithium battery 2550mAh (built in)Transfer Machine Size:Approx. 290 x 90 x 56.5mm / 11.4 x 3.5 x 2.2inHeight With Non Slip Pad:Approx. 60mm / 2.4inInput: 5V 2ACharging Port: Type CPrint Speed: 10mm/s (maximum)Printing Type: Thermal printingApplicable Printing Paper: Thermal printing paperApplicable Paper Size:Approx. 57-216mm / 2.2-8.5inAdjustable Range Of Paper Limiter:Approx. 58-216mm / 2.3-8.5inCommunication Interface: USB/BT2.0 and BT4.0Operating Temperature: 0~40CStandby Time: About 30 daysCharging Time: About 1.5 hoursSupport Connected Devices: Mobile (for IOS, for Android are supported), PC ( for Windows, for OS X).Package List:1 x Wireless Thermal Printer1 x USB Charging Cable1 x Thermal Printing Paper Roll1 x User Manual