Fangrui Product Details 1. Home Phone Office Wireless Wrong Question Paper Student Printing Paper, Style: 100pcs A4 Paper 2. 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 Time 3. Special Printing Paper, Bpa-free, Safe And Environmentally Friendly 4. Fluent Writing With Ballpoint Pen, Pencil And Fountain Pen 5. Thick Material, Suitable For Different Use Scenarios: Student Homework, Work Materials, Etc. 6. 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 Sunlight 7. Printing Media: Thermal Paper 8. Print Format: A4 9. Specifications: 50 Sheetsroll 10. Supported Devices: Mobile Phones, Tablets, Computers 11. Connection Method: Bluetooth Version: Bluetooth+usb; Remote Version: Wifi+bluetooth+usb 12. 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 Efficiency 13. Application: Wrong Title Printer 14. Power Supply Mode: Usb Chargingbuilt-in Lithium Battery 15. Battery Capacity: About 800mah 16. Printing Paper Size: 210 X 297mm 17. Printer Size: 275x110x60mm 18. Weight: 1.2kg