Wet or Dry Dual Use + Dust Protection The pedicure kit meets IPX6 waterproof standards and can be used on wet feet. Waterproof all over the body, rinse directly under the tap after use, which effectively solves the problem of bacteria breeding. The transparent cover protects the roller from pollution, also allows the machine to stand on the table for dripping, very clean and hygienic. 3 Interchangeable Rollers + Efficient and Convenient The included 3 rollers are wider and designed with larger contact area, aiming to improve the efficiency of use. The pedicure foot massager with coarse grit roller can soften the skin by removing hard and stubborn calluses, calluses under the feet in seconds without the risk of injury. Digital Display + Plug and Play LED display lets you see the remaining battery capacity(100%, 75%, 50%, 25%). When the battery is lower than 25%, you can plug in the professional foot pedicure and then turn it on to continue foot care, no need to wait for a long time to charge. Painless + Remove Calluses As Precisely As Possible This hard Skin Remover allows you to remove dead skin and heel calluses more safely than traditional tools, and most foot files have only 2 speeds, but ours has 3 speeds, people with sensitive skin and hard skin can find a suitable speed for them, the LED light on the pedicure helps you see your foot details clearly in the dark. 2023 New Electric Foot File We have improved the rotating speed and capacity of this foot file: Most of others devices' highest speed is only 2000r/min, but ours is 2400r/min, which can more effectively remove calluses; The battery capacity has been upgraded to 2000mAh, after fully charged for 2 hours, you can get up to 5 hours of battery life. Spend the same money, but you'll get a wothful foot file.