2 Power Modes: our whale electric pencil sharpener has 2 modes of power supply, you can use the USB cable, the package comes with a data cable, also supports the No. 5 battery power supply, easy to carry for outdoor use in schools, this product does not include batteryRemovable Silicone Cover: this pencil sharpener with a removable and reliable silicone cover design, can be easily cleaned if it gets stained, the ABS body is hard to fall and durable, the bottom of a large silicone pad, non slip, stable and non slidingElectric Power Saving: when you use a manual pencil sharpener to handle a pencil, use the electric pencil sharpener has already handled many of them; Electric pencil sharpener is easy to use, saving your time and effort, will not jam the pencil, children can also easily useFast and Stable: the pencil sharpener will help you easily sharpen your No. 2 pencil or colored pencil in 3 to 5 seconds, please don't push the pencil when sharpening, this makes your work, study and drawing more efficient, the non slip pad makes sharpening more smooth and stable