Feature: 1. BT Connection: Connect the thermal printer to your phone through Bluetooth, without the need for a computer or cable, for efficient and convenient operation. 2. Thermal Printing: The Bluetooth printer adopts thermal printing technology, with 200dpi resolution, ensuring better quality photos and incorrect questions, without fading. 3. Wide Application: This thermal printer is suitable for printing QR codes, student mistakes, photos, storage labels, scrapbooks, lists, web pages, diaries, memos, etc. 4. Portable Design: The Bluetooth printer has a compact size that is easy to use, carry, and store, making it suitable for use at home, school, office, and other places. 5. Power Supply: This thermal printer has a built in 1000mAh lithium battery and is equipped with a cable for charging, making it easy to use anytime, anywhere. Specification: Item Type: Pocket Printer Material: Plastic, Electronic Components, Paper Pocket Printer Size: Approx. 82 x 87 x 45mm / 3.2 x 3.4 x 1.8in Printing Paper Size: Approx. 57 x 30mm / 2.2 x 1.2in Battery: 1000mAh Lithium Battery (Built in Battery) Resolution: 200dpi. Package List: 1 x Printer (Including 1 Roll Printing Paper)1 x Charging Cable5 x Rolls Printing Paper1 x User Manual