Home Phone Office Wireless Wrong Question Paper Student Printing Paper, Style: 500pcs A4 Paper 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 time 2. Special printing paper, BPA-free, safe and environmentally friendly 3. Fluent writing with ballpoint pen, pencil and fountain pen 4. 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 sunlight 6. Printing media: thermal paper 7. Print format: A4 8. Specifications: 50 sheetsroll 9. Supported devices: mobile phones, tablets, computers 10. Connection method: Bluetooth version: Bluetooth+USB; remote version: wifi+Bluetooth+USB 11. 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 12. Application: wrong title printer 13. Power supply mode: USB chargingbuilt-in lithium battery 14. Battery capacity: about 800mah 15. Printing paper size: 210 x 297mm 16. Printer size: 275x110x60mm 17. Weight: 1.2kg