Take full control of your cooling devices with this versatile Fan Speed Controller, designed to provide precise and effortless adjustment of airflow to match your needs. Crafted from durable aluminum material, this fan speed controller supports a wide voltage output range and is compatible with common 5V USB fans, making it an ideal accessory for enhancing ventilation performance in various settings. Key Features: · Adjustable Wind Power: Easily customize the airflow by turning the knob—rotate clockwise to increase air volume and counterclockwise to decrease it. The integrated knob also functions as an on/off switch for convenient operation. · Stepless Voltage Regulation: Offers a smooth output voltage adjustment from 2.5V to 8.0V, allowing you to set the fan speed freely within a wide and flexible range to suit different cooling requirements. · Compatible with 5V USB Fans: Specifically designed to work with most standard 5V USB fans available on the market, ensuring broad compatibility for diverse cooling applications. · Multi-Power Supply Support: Can be powered by multiple sources such as computers, power banks, and other USB-enabled devices, providing great versatility and portability. · Durable Aluminum Construction: Built with high-quality aluminum for enhanced strength and heat dissipation, ensuring long-lasting durability and stable performance. · Rated Power: 5W, efficient and suitable for low-power fan speed control needs. Specifications: · Item Type: Fan Speed Controller · Material: Aluminum · Rated Power: 5W · Output Voltage Range: 2.5V – 8.0V (stepless adjustment) · Compatible Fan Type: 5V USB Fans Package Includes: · 1 x Fan Speed Controller This Fan Speed Controller is the perfect accessory for anyone looking to optimize cooling performance with ease and precision. Its wide voltage adjustment range, compatibility with common USB fans, and sturdy aluminum build make it an essential tool for electronics enthusiasts, gamers, or anyone wanting customized airflow control from multiple power sources.