1. The built-in battery can be used outdoors, and it can be printed immediately when printing is needed, without the need to start up, warm up, and connect wires like an inkjet laser printer for a long time2. Special printing paper, BPA-free, safe and environmentally friendly3. Fluent writing with ballpoint pen, pencil and fountain pen4. Thick material, suitable for different use scenarios: student homework, work materials, etc.5. The handwriting can be stored for a long time, and the handwriting can be stored for more than 5 years in a dry room at room temperature without direct sunlight6. Printing media: thermal paper7. Print format: A48. Specifications: 50 sheets/roll9. Supported devices: mobile phones, tablets, computers10. Connection method: Bluetooth version: Bluetooth+USB; remote version: wifi+Bluetooth+USB11. Bluetooth version: suitable for short-distance on-site printing; remote version: suitable for long-distance printing, upgraded WiFi cloud printing function, faster speed and higher efficiency12. Application: wrong title printer13. Power supply mode: USB charging/built-in lithium battery14. Battery capacity: about 800mah15. Printing paper size: 210 x 297mm16. Printer size: 275x110x60mm17. Weight: 1.2kgSpecification: Package Weight One Package Weight 2.78kgs / 6.13lb One Package Size 25cm * 24cm * 11cm / 9.84inch * 9.45inch * 4.33inch Qty per Carton 20 Carton Weight 60.00kgs / 132.28lb Carton Size 60cm * 60cm * 35cm / 23.62inch * 23.62inch * 13.78inch Loading Container 20GP: 211 cartons * 20 pcs = 4220 pcs40HQ: 491 cartons * 20 pcs = 9820 pcs