[Friendly Functional Design of Callus Remover] Our foot file brings a comfortable and safe experience, equipped with 3 roller heads. 3 different Roller heads include 1 fine roller head, 1 regular roller head, and 1 coarse roller head for different callus conditions. Meanwhile, 2 speeds of 1700x/min and 2000x/min can be chosen according to foot condition. If the pressure is too strong, it will automatically protect and stop. [IPX 7 Waterproof Design of Pedicure Foot File] This electronic foot file has a waterproof design, Can be rinsed under running water. It allows you to wash it to keep it clean after use. It is suitable for wet and dry use. [LCD Battery Power Display and Large Battery Capacity] The LCD display electronic callus remover allows you to see the battery power left. With 1200mah large battery capacity can be used for 150 minutes when the device is fully charged. [Your Ideal Foot SPA Tool] Our Electric Pedicure Callous Removers feet buff away the dead skin to bring you beautiful feet without foot SPA. Delivery Quantity: 1 Piece Product color: white Product size: 16.5*6.5*3.5CM