Feature:1. Specially designed for students, teachers, artists, professionals and business people.2. Euipped with nonslip base, a considerate design, help shapren pencil quickly and stablely, laborsaving and timesaving.3. With autostop design, when the cover is removed, sharpener will automatically stop working, safe to use.4. Large capacity shavings slot, no need to worry shavings everywhere, easy to clean.5. Can cut colored pencils with an outer diameter of 68mm with plug and battery operated design.Specification:Item Type: Pencil SharpenerMaterial: Plastic, stainless steelSpecification: 1 SetPower Supply Mode: USB power supply, battery power supplyUSB Power Supply: Can be connected to a computer USB port or a 5V/2A mobile phone chargerUse Batteries: 4 AA batteries(delivered without batteries)Applicable Product: Wooden pencils and colored pencils with a diameter of 6~8mmFunction: Sharpen pen, reduce time and improve efficiency.Package List:1 x Host 1 x USB Cable1 x Replaceable Knife Holder