Electric Nail File Set 11 In 1 Professional Nail Clippers For Callus Removal feature: The stepless motor makes the nail drill more stable and quieter at high speed. With USB connection and mini case, you can easily and conveniently create nail art works anytime, anywhere. This compact nail file set is an all-in-one nail care tool that allows you to take home the beauty salon and do your own manicure and pedicure. It is fully functional, versatile and easy to use. It is an essential nail care tool for professional manicurists and beginners. Used for buffering, grinding, sharpening, grinding, polishing, and even removing the epidermis. characteristic: USB connection Up to 20000rpm Suitable for acrylic and natural nails. Built-in stepless motor Professional 11 diamonds and 16 abrasive belts 1 nail brush Two rotation directions allow left and right handed use note: The picture does not include other attached demos. Due to different manual measurement methods, please allow slightly different sizes. Due to the difference in lighting and screen settings, the color of this item may be slightly different from the picture. Package content: 1x grinder, 6x metal grinding head, 5x quartz grinding head, 16x frosting ring, 1x nail soft brush1xUSB data cable.