- Enhance your cooling efficiency with our DC5V fan speed controller cable, featuring a 5.5 x 2.1 mm plug-to-socket design, compatible with a variety of personal cooling devices. - This speed control cable is equipped with an easy-to-use switch, offering three adjustable speed settings (low, medium, high) to regulate airflow and ensure optimal comfort for voltage booster applications. - Ideal for enthusiasts and DIYers looking to customize their cooling systems for devices such as laptop fans, LED lighting, or other compatible 5V devices. - With a generous length of 35 cm and support for up to 5V, our user-friendly fan speed controller is an essential tool for maintaining the ideal temperature. Applications include: 1. Modifying laptop cooling systems to prevent overheating during intensive tasks. 2. Adjusting airflow for LED lighting setups, enhancing performance and extending lifespan. 3. Customizing cooling solutions for small electronics, ensuring efficient operation without noise. Experience reliable cooling solutions with our versatile fan speed controller cable, designed for performance and practicality.