Best Aid for Students: Pocket-sized incorrect question printing allows students to conveniently print and analyze their incorrect questions, improving learning efficiency. Versatility: The printer not only allows for photo-based question searching and analysis but also offers features like teacher explanations, knowledge encyclopedias, and graphic editing to meet diverse learning needs. Imported Print Head: With mature technology and reliable quality from an imported original print head, the pocket-sized incorrect question printing offers a longer lifespan and better print quality. Instant Analysis: Simply take a photo with the accompanying app, and the pocket-sized incorrect question printing will instantly provide accurate question analysis. It supports a comprehensive database of professional questions. Image Scanning: Utilizing OCR text recognition technology, the printer quickly converts captured images into editable text content, making it convenient for students to organize and edit study materials. It is also compatible with Word documents, making office work more efficient. Item Type: Incorrect Question Printer Material: ABS Battery Type: 1000mAh lithium battery (built-in) 1 x Printer 5 x Printing Paper 5 x Adhesive Stickers 3 x Colored Paper 1 x Instruction 1 x Charging Cable Satisfaction Guarantee: Customers are our top priority. If you encounter any product issues, please contact the seller immediately. We strive to provide satisfactory after-sales service.