USB Pencil Sharpener SE-578 Features: 1)Suitable for any USB port of notebooks and ordinary computers, could use four AA battery-powered. 2)Needn't any software or drive program just put the pencil into it and the sharpener will be automatically finish the rest job. 3)It's more convenience than traditional sharpener, moreover, there's LED colorful electric lights winkling while sharpening. Packing details: *Product Size: 8.15*7.1*7.8CM *Product Material: ABS *Packing Size: 10*10*10CM *Packing Material:white box *G.W./N.W: 12.5/11.5KG *Carton Size: 41.5*31.5*42.5CM *Content Qty: 48PCS