Features: 1.Improve Learning Efficiency: Save the time of handwritten notes, help learning, improve learning efficiency, print at the speed of 10MM/S, error questions are no longer chaotic, learning orderly 2. Use: Search for questions quickly, take pictures of them, and answer them in seconds 3.Huge Amounts of Question Bank: Covers primary school to high school subject analysis and knowledge points, a large number of question bank accurate matching 4.Answer Questions in Detail: Photo search, text recognition, retrieval technology support, help the children who take photos and upload questions to answer questions in detail 5.Compact Body Design: Mini portable, compact body design, exquisite compact, send girlfriend send honey is a good choice specification:Item Type: Mini Thermal Printer Material: ABS Product Size: Approx. 11.00 x 8.00 x 3.50cm / 4.3 x 3.1 x 1.4in Weight: Approx.160g / 5.6oz Power Supply: Built in 1000mAh Lithium Battery (Shipped with Built in Battery) Charging Interface: 5V Micro USB Definition: 200dpi Printing Method: Thermal / Inkless Printing Imaging Mode: Black and White Photo Duration: 1 Year (Theoretical Environment) of Consumables: Approx. 57 x 30mm / 2.2 x 1.2in Networking Mode: BT BlE4 0 PackageList:1 x MiniThermalPrinter 1 xPrinting Paper 1 xUSB Cable