Item Type: Foot Grinder Material: ABS Color: As Pictures Shown Weight: Approx. 200g / 7.1oz Battery Type: Lithium ion Battery (Shipped with Built in Battery) Battery Model: 18650 Battery Capacity: 1200mAh Package List 1 x Foot Grinder 2 x Replacement Grinding Head 1 x Brush 1 x Cover 1 x USB Cable 1 x English Manual 1Powerful Vacuum Cleaning System: Our electric foot callus remover has a powerful vacuum cleaning system. High speed centrifugal rotation adsorption can realize suction while grinding, and absorb 99% of skin flakes. 2Safe and Fast: This professional foot file pedicure tool has an intelligent automatic protection design. If the pressure is too high, it will automatically protect and stop, avoiding damage to healthy skin. 3Smart Button Design: The electric feet callus remover features a state of the art smart button design. Press the power button to start the foot grinder. At low speed, the LED light is green and at high speed, the LED light is red. 4Applicable People: Electric foot file callus remover is suitable for men and women seeking safe and professional removal of dead skin at home. 5Removable and Washable: Dust collection tank and grinding head can be cleaned separately, can bring you more convenience.