Evergreen Art Supply Electric Pencil Sharpener, FM Mini Portable with Superior Reception and Clear Sound, Battery Operated Pocket Radio with 3.5mm Headphone Jack, Silver Powerful helical blade - sharpens quick and even every time while running at a whisper quiet level Colored pencils or standard pencils - from the office to art, now you can work how you want Choose your sharpness - set to blunt for soft lines and no breaks or go super sharp for crisp lines Triple power supply - utilize the wall adapter, USB or you can even use batteries when on the go Safe and clean - spill-free tray and built-in safety feature prevents blade from running while open