A little Christmas surprise: In every product we send out in the run-up to Christmas, you will find a beautiful Christmas card. We wish you a unique and merry Christmas!Powerful, Safe & 2 Speeds AdjustableElectric Foot Callus Remover have 2 speeds:1700x/min when at low speed and 2000x/min when at high speed.If the pressure is too strong,it will automatically stop working and avoid damage to the healthy skin.Rechargeable Long LastingHigh quality 3000mah large capacity lithium battery has overcharge protection and battery display function,you can see how much battery left and when to charge.The USB charging time for 2 hours,it can powerfully run continuously for about 40 minutes. Note: Please use the charging voltage: 5V /1A to avoid excessive voltage affecting the service life.IPX7 WaterproofThe electric foot file has waterproof design, whole body can be rinsed under running water. You can washing it and keep clean after using. It is suitable for wet and dry use, Electric foot scraper would effectively solves the problem of bacteria growing on the gaps and protects your feet health.3 Replace Grinding HeadCallous removers for feet has 3 different quartz sand grinding heads,rough grinding head can remover stubborn horny dead skin , medium grinding head can remover rough dead skin, fine grinding head use for daily care. You can choose suitable grinding head according to the skin to care,make your feet restore the delicate and smooth skin.One-year warrantyWe provide 100% refund guarantee and if you are not satisfactory with our electric foot callus removers we will provide fully refund or free change.This is totally free risk purchase!This is the best gift for everyone you love, helping to get rid of feet dead and hard cracked skin,keep feet skin.