[Easy to Use] Switch on the power. Choose the appropriate sharpening cutter it is recommended to choose coarse grinding first then follow with fine grinding to sharpen the cutter it is sharper and more durable. Insert the cutter into the sharpening bit along the bevelled opening to fit the sharpening wheel and then pull it back slowly at an even speed repeat 2-3 times on one side until the cutter is back to sharp. [2 Cutter Sharpening Styles] This cutter sharpener has a built-in large motor with high power for faster grinding.High-speed gear and low-speed gear design there are two types of sharpening methods coarse and fine grinding to meet your usage needs. [Elegant Appearance and USB Rechargeable] The surface is brightly designed and comfortable to touch.Simple and slim profile with elegant appearance it can be kept clean and tidy in the kitchen.USB charging design avoids frequent charging convenient and safe. [Suitable for Most Types of Cutters] This cordless electric cutter sharpener can meet the sharpening needs of most cutters such as blunt cutting cutters/chopping cutters/multi-function cutters/chef's cutters/fruit cutters/cooking cutters and so on.