1. The electric foot file is specially designed to remove calluses and dead skin on the feet, make the skin smoother.2. Coarse and fine grinding heads are optional, you can choose the grinding head according to your foot condition.3. Ergonomic handle design, which can be easily grasped by the your hands, and it is not easy to slip off.4. Made of high quality ABS material, stable and durable, can be used for a long time.5. Adopts build‑in light design, which can allow you to see the calluses and dead skin on your feet.Specification:Condition:100% Brand New Item Type: Electric Foot FileMaterial: ABSBattery: Built-in Lithium Battery 200mah ( Battery Included )How to Use:1. Press the Switch to Turn on with One Key.2. Bring the Rotating Grinding Wheel to the Foot Gently to Remove Calluses and Cutin.3. Soak in Warm Water for About 10 Minutes, Wipe off the Water and Apply Moisturizer to the Feet.Disassemble the Grinding Head: Press the Upper Lock Button to Remove It.Package List:1 x Electric Foot File1 x Grinding Head1 x USB Cable