Product Overview This callus remover is an innovative foot care tool that combines advanced electric technology with ergonomic design, aiming to provide users with an efficient, convenient, and comfortable experience for removing calluses and dead skin, helping you achieve smooth and delicate feet effortlessly. Product Features Fully waterproof design: The entire foot file can be rinsed under a faucet or soaked in water for cleaning, making it easy to clean promptly after use to maintain hygiene, without worrying about water damage to the machine. USB Charging: Equipped with a USB charging port, it can be charged via various devices such as computers, power banks, or chargers, eliminating the need for traditional dedicated charging plugs. Whether at home, in the office, or while traveling, you can charge it anytime, anywhere, ensuring worry-free use. Battery Level Display:Features an LED digital battery level display that clearly shows the remaining battery level, allowing users to monitor the foot file's battery status at any time and prepare for charging in advance, avoiding the inconvenience of sudden power loss during use.