
Adjusting the speed of your MelodyBetty Portable USB Electric Nail File is straightforward. First, turn the device on using the power switch. Next, find the speed control dial located on the handpiece. To increase the speed, turn the dial clockwise; to decrease it, turn it counterclockwise. It's recommended to begin with a lower speed setting and gradually increase it until you reach your desired level. This MelodyBetty nail file offers adjustable speeds reaching 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 nail file.


