Product details of Electric pedicure set foot grinder Callus Remover USB Rechargeable Feet Pedicure Tool With 2 Replaceable roller heads Electric pedicure set foot grinder Callus Remover USB Rechargeable Feet Pedicure Tool With 2 Replaceable roller heads 【2 REPLACABLE GRINDING HEADS & ADJUSTABLE SPEEDS】 There are two-speed settings on the electric pedicure; the lower speed is better for curing calluses. High speed for dead skin and heavy calluses that won't go away. With its two distinct scrub heads—a coarse roller for problematic cracked calluses and a fine roller for everyday foot care—you may select the one that works best for your skin type. 【PORTABLE AND QUICK TO CHARGE】 A USB charging cord is included with the Electric Foot Callus Remover and can be quickly charged using any USB connection. It is the ideal travel gear for both ...