This product has 3 rotary blades. It is sharpedged, and rust proof. With this product, you can easily remove the dust. Steel sheet support design, good elasticity, smoother, easier to remove the hair balls on the clothes, making the clothes cleaner. This product has honeycomb net. This kind of design can protect your fabric from damage and deformation. The honeycomb mesh cover is not easy to rust and deform, and can completely isolate the blade from the clothing, to that the clothing not be hung, and improve the power to remove hairballs. The shaver has a non slip handle and a safety lock. When the blade cover is opened or released, the stop automatically. Razors can protect children from injury. With the USB interface, you can use it conveniently, you can just charge it with a plug, you can charge it on a power bank. You can charge it on the computer. This product can be used in many places. You can use to remove the hairball from sweater, blanket, cotton, linen, etc. It is essential in every home.