Description:1.Removable battery: Easy to use, can install 4 No. 7 batteries(NOT INCLUDE)2.One-button switch: One key touch switch.3.Efficient Heat Dissipation: Premium body is good for efficient heat dissipation, no worry about overheat.Great design makes it extremely quiet and smooth with low vibration when doing foot skin care.4.Unique vacuum vacuum patented technology: the dead skin dust is wiped out in one sweep, reducing the trouble of flying skin dust.5.Quartz frosted grinding head: sharp grinding head, quick cocoon removal, gentle peeling, easy and comfortable without hurting feet6.Two kinds of grinding heads Exchangeable: Rough grinding head is suitable for old dry cracked skin of heel,Fine grinding head for daily nursing.7.Detachable grinding head: After use, the grinding head can be detachced leaned immediately.It can effectively solve the problem of dandruff residue, avoid the problem of bacteria growth, and protect your health.8. Once or twice a week, every 5-10 minutes. It's that simple to remove dead skin