Features 1. Powerful foot grinder for removing calluses: This foot grinder uses coarse and fine rollers to easily remove stubborn calluses and dead skin, making your feet smooth and soft. It is an ideal tool for removing dry skin and the perfect tool for effectively removing calluses on the feet. 2. Gentle and precise foot care: The electric foot grinder is designed to gently and accurately remove dry skin and calluses without causing irritation. Whether you need gentle routine care or more intensive sanding on stubborn areas, this foot grinder can provide excellent results. 3. Dual speed mode, customized care: This heavy-duty foot grinder has two adjustable speeds, allowing you to choose the strength that suits your feet. Use low-speed mode for daily maintenance, or use high-speed mode to remove calluses and dry skin. 4. Built in vacuum system for clean and hygienic use: The electric cocoon removal machine has an advanced vacuum system that can automatically collect dead skin and debris while you are working, ensuring clean and hygienic foot repairs without causing confusion. No need to worry about cleaning issues. 5. USB charging, convenient for travel: This electric foot file is lightweight and compact, and can be charged through USB, making it perfect for foot care during travel or outings. Whether at home or out, using this foot cocoon removal tool can keep your feet soft and cocoon free. Specification Product Name: Wireless Portable Sharpener Usage time: 50 minutes Product model: S161 Battery capacity: 500mAh Charging voltage: DC 5.0v Product weight: 130 grams Charging status: 2A Product size: 10.5 * 6.6 * 5.4 centimeters Rated voltage: 3.7V Rated power: 2.5W Package Include: 1x Electric Foot Grinder