Adjustable Speed: The device features variable speed control, typically ranging from 0 to 20,000 RPM for precise nail work.Multi-Purpose Use: It is designed for various nail tasks, including grinding, sanding, sharpening, polishing, and removing acrylic or gel nails.Included Accessories: The kit comes with a set of six interchangeable metal drill bits and sanding bands for different nail art applications.Power Source: This model is corded electric and often powered via a USB cable, making it portable and convenient for both professional salon use and home manicures.