Feature: What's Included-1 x Foot File Electric Pedicure Hard Skin Remover, 3 x grinding heads, 1 x USB cable. Perfect to make your feet more comfortable and sexy at home and in the office. A special gift for your family and friends. Super Adsorption-Our electric foot callus has a powerful vacuum cleaner system. High-speed centrifugal rotary adsorption can achieve suction during grinding and absorb 98% of dander without worrying about the generation of dander. The dust box and grinding head can be disassembled for cleaning. USB Fast Charging-Our electric callus remover has a built-in 500 mAh lithium battery, which can work for a long time. 1.5 hours of fast charging, up to 50 minutes of use time. Just use the included USB charging cable and you can save time because there is no need to replace the battery. Efficient Pedicure Tool-Our rechargeable callus remover is equipped with 3 different roller heads (precision, fine, coarse grinding head) and 2 types of gear speed control. a low speed of 1600 rpm (for gentle care) and a high speed of 1700 rpm (for deep cleaning). It can easily remove heels, soles, toes, dry skin, stubborn, dense calluses, dead skin and other foot problems.