Concentration-friendly design Quiet and smooth sharpening reduces distractions, creating a calm environment for study or work. Optimized gear drive supports consistent results. Flexible power options Combines a rechargeable lithium battery with a USB power adapter for versatile use at a wall outlet or on the go. Ideal for school, office, and creative tasks with precise sharpening for all common pencil types. Adaptable compact model Engineered construction maximizes desk space. Slim profile fits a variety of settings and enhances everyday practicality through optimal space utilization. Advanced sharpening performance High-efficiency cutting process with inductive sensor technology operates autonomously, enabling effortless electric sharpening at a steady high speed and with optimal result quality. Use scenarios - In class or study environments where quiet operation is beneficial for concentration. - At the workstation or studio for precise, reliable sharpening of all common pencil types during design or drafting tasks. - On the go or at remote locations, powered by the battery or USB supply for convenient use anywhere.