Features: Automatic Sharpening: Electric pencil sharpener with fast sharpening performance, saving time and effort. Automatically stops after achieving a perfect point, protecting the pencil tip. Adjustable Sharpness: Equipped with a control knob to adjust the point thickness—sharp, medium, or blunt—to meet various writing or drawing needs. Compatible with pencils from 6-12mm in diameter, including standard pencils, colored pencils, and carbon pencils. Long Endurance: Built-in 2000mAh rechargeable lithium battery provides over 300 uses on a single charge. Can be powered via computer, laptop, or power bank using USB connection. Durable and Reliable: Constructed with high-quality ABS housing and an alloy spiral blade for enhanced durability and wear resistance. Features an automatic shut-off when opened for safe operation, especially suitable for children. Great Gift Choice: Operates quietly and is easy to clean, making it an ideal gift for children, students, teachers, artists, and professionals. 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 9cm / 6.9 x 3.5 x 3.5in Package Size: 19.2 x 9.4 x 9.4cm / 7.6 x 3.7 x 3.7in Package Weight: 580g / 20.5oz Packing List: 1 x Pencil Sharpener 1 x USB Cable 1 x User Manual