Efficient Pedicure Tools - The micro abrasive head rotates at 2200 rpm for high performance and maximum comfort. It can instantly remove dry, dead skin and uncomfortable calluses from heels, soles, toes, and hands.3 interchangeable heads of different thickness - This pedicure comes with 3 grinding discs of different thickness. The 3 spare parts are perfectly tailored to the needs of your feet, depending on their hardness. The device grinds the calluses instead of cutting them. It allows you a painless experience avoiding injury.Rechargeable Battery - This file is cordless and contains a battery. USB charging saves you battery dependency. The battery is fully charged in 2 hours and the display changes from red to green.Meets Various Needs - Suitable for people with sensitive skin and severe calluses. In addition, the callus remover contains not only a rechargeable battery, but also a polishing head for soft baby feet. Heat Dissipation Design - The body of the product has holes to dissipate heat. In addition, the head is not hermetic, which also promotes dissipation. So that the pedicure's body doesn't get hot when it's working.Features:This foot callus remover has a dust collection function.Freely switch between fast and slow speed.1200 mAh large-capacity lithium battery, fast charging, long-lasting battery life. Low noise.Waterproof, the whole machine can be washed with water. Overcharge and over-discharge protection.Ergonomic design, with fashionable and streamlined appearance and non-slip handle.Safe designYour callus remover uses a built-in vacuum cleaner that cleans and vacuums dead skin at the same time. Safe with advanced pressure sensitive technology that easily removes dead skin, tough skin, wrinkles and annoying calluses from your feet.Two speedsThanks to the quality and the power motor, this file has two adjustable speeds. The lowest (1700 revolutions per minute) is suitable for sensitive skin and small calluses. The other, 2200 revolutions per minute, is more efficient for stubborn hardness and strong skin.SpecificationProduct color: whiteVoltage: USB charging DC5V can use car charger, computer USB, power bank and other voltages.Power: 6wCharging time: about 2.5 hoursMotor speed: about 13500RPMMachine speed: fast gear about 2200RPM, slow gear about 1700RPMSingle weight: 0.32kgSingle machine size: 165*76*50mm Packages Included:1 x Electric Callus Remover1 x Coarse Grinding Head1 x Coarse Sand Grinding Head1 x Fine Sand Grinding Head1 x USB Charging Cable1 x Cleaning Brush1 x Transparent Protective Cover1 x User Manual