Say goodbye to rough, dry, callused feet with the new, battery-powered Ped Egg Power. Precision engineered, it features the new Nano Abrasion Roller that spins 2,500 times per minute to buff away calluses and dead skin so your feet will be smooth and beautiful. Bonus smoothing head included. Requires 2 "AA" batteries (sold separately). Approximately 6" long. Features. PedEgg Power buffs away calluses and dry, dead skin.; The powerful nano-abrasion roller technology is completely painless and does not use dangerous blades.; PedEgg Power electric callus remover is cordless, easy to use, and has a convenient auto-off if pressing too hard.; Requires 2 AA batteries (not included); Comes with a callous removing head and a smoothing head.; .