Double Power Options - Rechargeable lithium battery and USB power supply design provide flexible power for uninterrupted use anywhere. Use cordless on the go or powered via USB when connected to a computer, power bank, or adapter. Smart Sharpening System - Intelligent induction technology enables automatic pencil sharpening with little or no manual intervention. - Delivers a quick, clean sharpening process for a seamless experience. Concentration-Friendly Design - Quiet and smooth operation minimizes distraction during study, reading, or focused work. - Reduces noise and vibration to help you maintain concentration. Adaptable Compact Build - Compact, sleek form that saves desk space and fits neatly into various environments. - Designed to be unobtrusive on desks, in classrooms, studios, or shared work areas. Performance and practicality - Efficient sharpening process designed for daily use with reliable results. - Built to be easy to use and maintain, supporting consistent point quality. Use scenarios - Classroom or study desk: sharpen pencils quickly between tasks without disturbing others, keeping lessons and notes flowing smoothly. - Home or office workstation: support focused work sessions with minimal noise while drafting, writing, or taking tests. - Travel or shared spaces: use the cordless battery option for portable sharpening anywhere, then switch to USB power when possible for extended use. This sharpener emphasizes power versatility, automatic sharpening efficiency, quiet operation, and a compact design, delivering practical performance for daily pencil use.