Features:_x000D_1. High-quality print head with long service life and good printing quality. Using advanced thermal printing technology, no ink cartridges are required._x000D_2. Multi-function: Support connection with smart phone. Support a variety of functions, can print labels, messages, lists, records, wrong questions, etc._x000D_3. Help students learn, improve learning efficiency, and make mistakes no longer messy, which is very suitable for students. The mini printer looks cute, you can give this printer as a gift to your child._x000D_4. Built-in 1000mAh rechargeable battery, low working noise, no ink cartridge is needed when using thermal printer, low operating cost. 200DPI resolution, good printing quality._x000D_5. Mini portability: small and light body, can be put in a pocket or bag, carry it with you, does not take up space._x000D_ _x000D_ _x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different monitor and light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ _x000D_Description:_x000D_Printing parameters: 200DPI_x000D_Printing method: thermal inkless black and white printing_x000D_Battery capacity: 1000 mAh 7.4V lithium battery; 2A charging_x000D_Printing paper: 57X25mm or 57X30mm can be used, the original paper can be printed more clearly_x000D_Connection method: Bluetooth-compatiple wireless, inkless black and white printing_x000D_Product size: 10.6X7.6X3.7cmPackage List:_x000D_1 set x Printer