Quiet sharpening - The optimized motor system runs quietly for a distraction-free sharpening experience, delivering efficient performance with minimal noise and helping you stay focused. Flexible power sources - Dual power supply via rechargeable battery and USB cable adapts to different environments, whether in the classroom, drawing in the park, or office work, while maintaining consistent sharpening quality. Space-saving and versatile - Compact housing fits smoothly into any workspace; thoughtful design allows easy integration and optimal use of space for greater daily comfort. Intelligent sharpening system - Automatic detection technology starts the precise sharpening process without user input, ensuring a quick cut finish and smooth writing with every pencil. Use scenarios - In the classroom: quiet operation minimizes disturbance during lessons and exams while keeping pencils sharp. - Outdoor drawing: portable setup supports sketching in parks or other locations without sacrificing sharpness or reliability. - Office work: reliable, consistent sharpening for notes, drafts, and planning, helping you maintain momentum throughout the day.