Concentration-friendly design Quiet, smooth sharpening with optimized gearing reduces distractions and creates a calm environment for study or work tasks. Independent operation Runs on a combined battery and USB power supply, so the sharpener is ready without a wall outlet. Ideal for travel or outdoor use with long runtime. Space-saving and versatile Compact housing integrates easily into any setting, making efficient use of space for everyday work and study environments. Modernized sharpening process Smart induction technology enables fully automatic sharpening with no manual intervention, delivering fast, efficient results and consistently precise cuts for perfectly sharpened pencils. Use scenarios - At a desk, in a library, or in the classroom: quiet operation supports focused study or work without disturbance. - While traveling or working outdoors: battery and USB power provide on-the-go sharpening without relying on outlets. - In studios, design workshops, or on-site tasks: compact form factor supports easy setup and convenient, reliable pencil sharpening during creative or drafting workflows.