Features: All around Pencil Adaptable: 6-12mm diameter, including no.2 pencils, colored pencils, charcoals pencils, special pencils round or triangles Battery: The lithiums batteries have a large capacity of 2000mA, and support the sharpener to work when charging. Material: Made of premium ABS and PC, sturdy for use. Three Charging Models: Three charging models, you can use charger, USB cable or the lithiums batteries to charge. Effortless Speed Efficiency: Say goodbye to tedious sharpening with our powerhouses motor that swiftlys sharpens new pencils in just 3 seconds and brings dull ones back to life in mere 3 seconds. This game-changing tool maximizes productivity, ensuring you spend less time sharpening and more time creating or studying.  Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Material: ABS PC Power supply charging types: charger/USB cable/lithiums battery Sharpen mode: Electric Input voltage: 100 240V 50/60Hz 0.35A Output voltage: 5V 2000mA Suitable pen diameter: 6 12mm SizeH*D: Approx. 17x8cm / 6.7 x 3.1inch Weight: 622 627g Package List: 1 x Electric Pencil Sharpener, 1 x Charger Package List: 1 Set Professional Electric Pencil Sharpener