Specification Item Type:Electric Foot Grinder Color:White Material:ABS Voltage:4.2V Power:≤7W Charging Time:2 Hous Size:7.5*9cm/2.95*3.54in Product Include 1*Main Machine 2*Heads 5*Nail Bits 1*USB 1*Storage Bag 1*Manual 1*Box Feature Wheel 360°all around rotation,gentle and quick removal of foot dead skin,showing flat smooth foot skin,so the your feet soft and comfortable Five kind of nail bits can be freely replaced,grinding,repair shape,to die skin,exfoliating,polishing and other functions set in one,complete professional nail care Hand and foot are available,a machine to meet a variety of needs The product specially design the dual frequency transmission,the different demand uses is more intimate. The use of ergonomic streamline design concepts,easy to grip easy to use. USB charge type 360° smooth, rough, dry calluses Soft feet in minutes