Features: Automatic Sharpening: Electric pencil sharpener for fast sharpening, saving time and effort. Automatically stops after sharpening the pencil to a perfect point, protecting the tip. Adjustable Sharpness: Equipped with a control knob to adjust the tip thickness—sharp, medium, or blunt—to meet various writing needs. Compatible with pencils from 6-12mm, including color pencils and carbon pencils. Long Endurance: Built-in 2000mAh rechargeable lithium battery provides over 300 uses on a single charge. Can be powered by a computer, laptop, or power bank via USB. Durable and Reliable: Made with high-quality ABS housing and an alloy spiral blade for strength, durability, and wear resistance. Features an open-cover safety design that automatically shuts off when opened, ensuring safe use, even for children. Great Gift Choice: Low noise operation and easy to clean. Ideal as a practical gift for children, students, teachers, and artists. Specifications: Color: Black / White (optional) Material: ABS Compatible Pencil Diameter: 6-8mm Battery: Built-in 2000mAh Lithium Battery Item Size: 17.5 x 9 x 9 cm / 6.9 x 3.5 x 3.5 in Package Size: 19.2 x 9.4 x 9.4 cm / 7.6 x 3.7 x 3.7 in Package Weight: 580g / 20.5oz Packing List: 1 x Pencil Sharpener 1 x USB Cable 1 x User's Manual