This is a real automatic pencil sharpener. Plug the pencil into the pencil sharpener, and the sharpener will grab the pencil and start sharpening it automatically. After sharpening, the sharpener will eject the well-sharpened pencil for you. You do not have to hold the pencil during sharpening. Colored pencils have softer lead than other pencils. It is therefore a common occurrence that the lead of colored pencils is broken in the electric pencil sharpener. Our pencil sharpener is not only designed for hard pencils, but also has a special function for colored pencils. When the colored pencil is inserted, the pencil sharpener will sharpen the pencil with gentle force to prevent the lead from breaking. This electric pencil sharpener comes with a lithium battery that can sharpen the pencil 600 times after a full charge. The sharpener also allows it to be used while charging. The usb cable ensures that it can be charged everywhere (like power bank, laptop and etc). This pencil sharpener is equipped with upgrade pencil nib adjustment parts that allows 3 pencil sharpness levels (sharp, medium and blunt) for users. You can choose the right level of sharpness for your needs. As with regular pencil sharpeners, you must hold the pencil while sharpening. It is difficult to sharpen short pencils either in electric or manual pencil sharpeners. Thanks to the pencil grabbing parts, our pencil sharpener could sharpen the short pencils (short to). You can make the most of your pencils before discarding them.