USB Fan Speed Controller Module 5W 4-12V with Stepless Speed Regulator

Fan Speed Controller Module for USB Fans This compact fan speed controller module lets you adjust the airflow of your USB-powered fan with simple rotary control. Designed for use with USB fans, the module connects between your fan and its power source, giving you smooth and continuous speed adjustment rather than fixed presets. Simple Rotary Operation The controller features a rotary knob that turns clockwise to increase fan speed and anti-clockwise to decrease it. The knob also incorporates an on-off switch function, allowing you to power the fan on and off without disconnecting the USB cable. To set up, simply place the controller in line with your phone or power bank, plug the fan's USB connector into the controller's USB port, and turn the knob to your preferred speed. Stepless Speed Regulation The module provides stepless speed control with an output voltage range of 2.5V to 8V, enabling stable and gradual changes in fan speed. This allows you to fine-tune airflow to your exact preference, whether you need a gentle breeze or stronger circulation. The potentiometer is constructed from PC and metal for durability and reliable long-term use. Technical Specifications The motor controller operates with a supply voltage range of 4 to 12V and a rated power of 5W, with a maximum current of 5A. Please avoid overloading the module beyond these ratings. The package includes one fan speed controller module.