Package Included 1 x Mini Thermal Printer 1 Roll of Printing Paper 1 x USB Cable Specifications Color:Blue/Pink Print Parameters:200DPI Battery Capacity:Built-in 2000mAh lithium battery Charging Port:5V-MicroUSB Printing Mode:thermal/inkless printing Imaging Mode:black and white Length of Photo Taking:1 year(Theoretical environment) Printing Paper:57×30mm/2.2×1.2in Networking Mode:bluetooth4.0 Features -Save time in handwritten notes, help learning, improve learning efficiency, print at a speed of 10mm/s, wrong questions are no longer cluttered, and learning has rules. -The product can be used to print learning materials for wrong questions, but also remember the growth of children, the feeling of traveling. -Support for topic search, text recognition, and retrieval technology helps children to take pictures and upload questions for detailed question answering.