Product Description: There are 3 interchangeable grinding heads to switch from, the coarse grinding head for stubborn calluses, medium grinding head for rough, dead skin, fine grinding head for daily skin care. You can choose the appropriate replacement head to meet your demands. With 2 speeds adjustable, 1900rpm and 2200rpm, powerful and convenient. Low speed is suitable for mild dead skin or sensitive skin care. High speed is suitable for stubborn thick callus or deep cleansing. Professional equipment will help keep your heels and feet soft, smooth, and healthy. With a rotating planetary gear, it can grind calluses more effectively in larger areas. A specially designed vacuum function can suck in tiny skin calluses and keep them from flying around. The holes in the grinding heads also help dissipate heat and ensure that the devices are not burned out by the heat generated during work. USB rechargeable, builtin 1200mAh battery, it takes 22.5 hours to finish charging and you can use it for continuous work for about 100150 minutes. With the LCD display, you can see exactly the remaining battery level. Thanks to the wireless design, you can use the electric callus remover on the go. Waterproof and washable, no worry about water, you can use it even at bathing. All parts of the foot care device can be rinsed under running water. Features: Quartz grinding head with holes: Made of high quality quartz micro mineral crystals, durable but does not harm your skin. The holes on the grinding head can pick up fine dust skin and also help dissipate heat so that the foot callus remover does not burn out due to the heat produced during work. Powerful motor with high torque: Supports 2 speed settings and 2 speeds can be easily switched via a control button. Low 1900 RPM for mild dead skin or sensitive skin. High 2200 RPM for stubborn thick calluses or deep cleansing. 3 types of grinding heads: 3 sanding heads are of different thickness and can be easily removed and replaced. Coarse grinding head for stubborn and hard calluses. Medium grinding head for rough dead skin. Gentle grinding head for daily foot care. Package Inclusions: 1 x Electric Callus Remover 3 x Grinding Heads (Coarse, Medium, and Fine) 1 x Grinding Head Clip 1 x Protective Cover 1 x Cleaning Brush 1 x USB Cable 1 x User Manual Notes: Actual colors may vary due to computer monitors displaying colors differently. Due to the nature of the manufacturing process and manual measurement, product sizing may vary slightly.