USB Fan Speed Controller, 5W Regulator, Stepless Adjustment, 3PCS, for 5V USB Fans, Model Name: USB Fan Speed Controller, Color:

Looking for a way to control the speed of your USB fan? Look no further than our USB Fan Speed Controller. This mini USB fan governor allows for stepless speed control, giving you the ability to adjust the output voltage range from 2.5 volts to 8 volts and thus the airflow according to your preference. With a power rating of 5W, you can rest assured that this regulator speed control knob can handle your needs without overloading. The fan speed principle is simple yet effective.

While non-adjustable USB fans have a 5-volt electric fan motor directly, two-speed fans come equipped with a boost circuit board. When placed in the second gear, the boost board raises the USB to 5 volts, and that's when you notice the difference. The increased voltage results in higher airflow, just what you need to beat the heat. This USB fan speed regulator features a knob that can be turned clockwise to increase airflow and counterclockwise to decrease the airflow.

Additionally, the knob comes with an on/off function, so you can easily turn the fan on or off as desired. The regulator range includes a power supply range of 4V to 12V and an output range of 3V to 8V. This package includes 3 USB Fan Speed Controllers, so you can control the speed of multiple fans at once.

Please note that when using the two-speed adjustment fan, you should always put the fan into the first gear before adjusting the speed, or the speed may not work as expected. In conclusion, our product title USB Fan Speed Controller is the ideal device for managing the speed of your USB-powered fans. Use it to regulate the airflow of your mini USB fans, portable USB fans, or USB-powered fans at large. Get yours today and have precise fan speed control at your fingertips.