1. This electric foot file is a good choice for foot care. It integrates multiple functions, such as nail trimming, grinding, polishing, and removing dead skin. It is carefully designed with a 6 - speed adjustment function. Users can freely adjust the grinding intensity and speed according to different conditions of foot dead skin and personal needs, so as to meet diverse foot care needs. 2. Whether it is the stubborn calluses on the heels or ordinary foot dead skin, it can handle them easily. This foot file has a waterproof function, and it is very convenient to clean after use. You don't have to worry about water damaging the internal components, and it can maintain good performance for a long time. 3. This foot file is reasonably designed and can bring a considerate foot care experience, allowing you to easily have smooth and delicate feet at home.