Rechargeable Foot Care Exfoliator Set-a highly effective foot pedicure tool that can charge the battery of the cordless electric foot file with only 1.5 hours of charging with the included adapter. The 500mAh Li-ion battery can be used for up to 45 minutes. The exquisite and delicate quartz scrub head can easily remove the dead skin turned up and the thickened quartz scrub head is used to deal with the thick cocoons that accumulate throughout the year. Show smooth skin-built-in vacuum cleaner will not stain[Enjoy the salon at home] A built-in vacuum cleaner can absorb dead skin/dust in time and enjoy this quick and simple foot polishing treatment at home.[Safety of Grinding Head Material] The material of the grinding head has undergone multiple inspections before it is put into production. If you are not completely satisfied please contact us and we will provide you with a quick solution.