DreamHank Electric Callus Remover - Foot Trimmer - Battery-Operated Foot File - Effectively shaves dead, hard & coarse skin on Callused Feet- pedicure tool Foot Scrubber & Micro Pedicure Exfoliating File Tool - water resistant - For Hands and Feet &ndash; For Men and Women Foolproof, Battery-Powered, completely easy to use and requires little maintenance. Powered choices: Rechargeable Battery Powered OR 2 AA Battery-Powered (2AA batteries not included). Battery operated pedicure foot file is a safe and professional way to buff hard skin from your feet at home, gently and effectively buffs away rough, dry, hard and calloused skin in seconds Unique Refillable rollers spins 360 degrees grinding shaver callus includes 2 micro mineral stone to particles pulverizes dead skin in an instant - Performs quicker and more effectively Waterproof and It is detachable and easy to clean, portable design to travel with good for wet & dry use, easy to clean and very comfortable to use. Textured roller head exfoliates quickly and easily, comes with an additional replacement roller head and protective cover for long lasting use.