specification: _x000D_Item Type: Foot Callus Remover_x000D_Grinding Head Material: Advanced Quartz Sand_x000D_Rated Power: 5w_x000D_Charging Time: 2 Hours Fast Charge_x000D_Battery Capacity: Lithium Battery 600mAh_x000D_Motor Rotating Rate: About 10,000RPM_x000D_Charging Time: 2 hours (Continuous use for about 45-50 minutes, depending on customer usage) Features: 1Effectively remove foot callus and dead skin, make foot cleaner. 2Two gears rate can be adjusted, you can regulate it according to needs. 3Comes with dust suction function, dust storage bin inside, clean and hygienic. 4Equipped with three grinding heads, solve the problem of dead skin calluses of different thickness. 5Grinding head is detachable and washable, can be quickly cleaned with water. 6USB charging designs, low battery protection measures, safe for use. PackageList: 1 x Foot Callus Remover2 x Spare Grinding Head1 x USB Cable1 x Cleaning Brush1 x Grinding Head Protective Cover1 x Manual