1Grinding and polishing by grinding wheel to make the knife edge sharper, the incision is neat during hair removal, keeping the skin glossy. 2Choose high-quality stainless steel material, so the cutter head will not wear. 3The 3D floating cutter head, and the close-knife mesh closely adheres to the contour of the face, making shaving smoothly. 4It does not cause enlarged pores or affect perspiration, and sensitive skins can also use. 5Compact design does not take up space, it can be placed in a bag when traveling.