Plug-In Operation Powered directly by an outlet, the electric foot calluses remover ensures a steady and reliable power supply. No need to worry about battery depletion—enjoy uninterrupted use with confidence. 360° Rotation Fzooua electric callus remover for feet offers adjustable speed settings from 0-600 RPM, allowing you to select the perfect speed to remove calluses effectively. The 360-degree rotation design helps effectively remove dead skin and calluses from various angles. Replaceable Sanding Pads The electric foot callus remover tool provide 60 sanding pads (30 coarse and 30 fine), allowing you to choose based on the thickness of calluses. The pads are made with pumice-like grit and feature self-adhesive backing—replaceable after each use for hygiene and convenience, ideal for family use.