Rechargeable Callus Remover with LCD Display : The foot file kit have a built-in 1200mAh rechargeable battery, which can Fast charging and with long continuous use time.The Digital LCD can display the remaining power and tell you when the foot files for hard skin need to be charged. Hard Skin Remover support wired and wireless use,You can use the socket to charge, or use USB charging via computer/power bank. Pedicure set with 3 replacement roller head: The electric foot grinder is equite with three movable roller heads: fine roller head is used for daily foot care; general roller head can treat new dead skin; the thick roller head is used to solve stubborn calluses and crack. In addition, this electric foot file is also equipped with a seven-piece pedicure set, which can meet a variety of pedicure needs. Two speed modes with security lock: Electric callus remover includes 1700x/min low speed used for more delicate skin care and 2000x/min high speed used to remove stubborn thick and dead skin. Two speeds can be freely switched by the power button. When the foot grinder detects that the force is too large, the security lock will start automatically to protect your feet. The LED spotlight on the Electric Pedicure set can help us see more clear, thereby better removing dead skin. Waterproof and easy to clean: Just press the button, you can replace the roller of the Hard Skin Remover. After use, you can remove the roller head to clean it, make the hard skin remover foot file more durable. The Pedicure Callus Remover is waterproof, you can use it into the bathroom, but do not immerse the entire device in water. The Electric Pedicure set are easy to use and clean, suitable for men and women, is a thoughtful gift for your family, lovers and yourself. Package include : 1x Electric Foot File+3x Rollers +1x USB cable+1x pedicure tool set(callus remover, cuticle remover, foot file, nail and toenail clipper, ect.), different foot care utensils, let your farewell rigid callus and stubborn dead skin.