[Speed Adjustable For Versatile Use]: 0-15000RPM is suitable for polishing nails, grinding cuticles, shaping, and removing dead skin. 15000-25000 RPM is suitable for removing gel polish. 25000-45000RPM is for acrylic nails and other professional manicures in a nail salon. [2024 New Design Aesthetically Pleasing]: The machine is designed with a streamlined appearance. Trendy and convenient to carry. Includes multiple drill bits in the package for different purposes, suitable for various usage needs. [Long-Lasting Rechargeable Battery]: Built-in 3600mAh large-capacity battery, 3.5 hours full charge for working up to 6-10 hours. Charged with a Type-C USB port, and can also be used as a power bank for emergencies with USB DC5V output. [Digital LCD Display]: Knob controls speed, digital display speed from 0-45 represents 0-45000RPM. Buttons control power on, pause, forward, and reverse rotation. [Ergonomic Human Body Design]: The polishing handle is ergonomically designed. Comfortable grip and convenient replacement of polishing bits. Perfect for nail preparation, gel polish removal, acrylic nails, dip powder nails, thick nails, pedicures, wood carving, engravable leather products, suitable for home and nail salon use.