Can be charged，Can change the blade.Writing and painting，Quick pencil sharpening.High-resistance material, smooth pen sharpening, wear-resistant and not easy to breakThe knife holder can be replaced with a new one, and the knife holder is more durableSharpen and stop to reduce pencil wastageSpecifications:Material: plasticSize: 137*81mmColor: black whitePower: AdapterNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.Quantity : 1 PCSDue to the light and screen difference, the item's color may be slightly different from the pictures.If you have any questions, please contact us in time, we will answer your inquiry within 24 hours.