Product description? Are you troubled by stubborn horny dead skin, rough skin problems,feel not confident when wearing foot-shoes,When wearing sock , do you worry that rough skin will make it hook? ELMCHEE Electric Foot Callus Remover can help you remover stubborn dead skin and rough horny skin.Through the simple care,make your feet skin restore delicate and smooth. Whether you are a stubborn skin for the elderly, long-term exercise, running, climbing rough skin, or wearing high heels for worn skin,it is very suitable perfect for foot health care. Feature: LED Power Display 3 Replace Quartz Sand Grinder Heads Easy-to-use Electric foot file Wear-Resistant and Non-Slip handle IPX7 Waterproof 2 Speeds Adjustable Rechargeable - No Change Batteries Necessary Specification: Work rate: 3W Electric pressure:3.7V Power supply:5V Charging time:3 hours Transfer rate:2000+300 rpm Perfect Feet Care Steps: 1. First clean your feet or soak them in warm water for 10 minutes, then dry your feet. 2. According to the condition of your own skin, choose the appropriate grinding head to install on the body, then press the switch button , gently rubbing your foot till dead skin drop off.Do not pressure is too strong,Otherwise, it will automatically protect and stop, avoid damage to your healthy skin. 3.Wipe your feet with a dry cloth or clean the dead skin, Apply moisturizing cream, massage your feet slowly. Note: 1. Do not open this product until the grinding head is properly installed. 2. Please closing the product after, then clean the grinding head wheel. 3.Whole body can be washed under the faucet,Do not submerge in water too often. 4. Do not use on skin for more than 2-3 seconds. Pack list? 1 x Electric Foot File 3 x Grinding Heads 1 x USB Cable 1 x Cleaning Brush.