Features:Automatic Sharpening: Electric pencil sharpener, fast sharpening, saving time and effort. Automatically stop working after sharpening the pencil at a perfect point, protect the tip.Adjustable Sharpness: With a control knob to adjust the thickness of the nib, sharp, medium and blunt for option, can meet all kinds of writing needs. Support sharpen 6-12mm pencils, color pencils, carbon pencils, etc.Long Endurance: Built-in 2000mAh rechargeable battery, once charge can use more than 300 times. Support powered by computer, laptop, power bank, etc.Durable and Reliable: High quality ABS shell and alloy spiral blade, sturdy, durable and wear resistant. Open box power-off design, very safe even for children.Great Gift: Low noise and easy to clean, the pencil sharpener can be a pretty gift for children, students, teachers, artists, etc.