
Adjusting the speed of your MelodyBetty Portable USB Electric Nail File Efile Set is straightforward. First, turn the device on using the power switch. You will find the speed control dial located on the handpiece. To change the speed, simply rotate this dial. Turning it adjusts the rotation, allowing you to increase or decrease the speed to your ideal setting. It is recommended to begin at a lower speed and gradually increase it as needed for tasks. The MelodyBetty nail file offers speeds up to 30,000 RPM, giving you precise control for all your nail care needs. For detailed instructions and important safety information, please consult the user manual that came with your MelodyBetty nail file.


