- Power Supply: Operates within a range of 4 to 12 V, with a rated power of 5 W (avoid overloading). - Easy Setup: Simply plug the regulator into your phone's charging port, connect the fan's USB plug to the regulator's USB outlet, and adjust the control knob to your preference. - Customized Comfort: Features stepless speed regulation, allowing for stable output voltages from 2.5 V to 8 V. This ensures you can fine-tune the fan speed for optimal comfort in any setting. - Durable Design: Made from high-quality ABS material, this regulator includes a USB input and a user-friendly rotary control—turn clockwise to increase speed and counterclockwise to decrease it. - Practical Applications: - Ideal for personal use at your desk or bedside, providing a customized airflow experience. - Great for outdoor activities like camping, where you can power a fan from a power bank or portable charger. - Useful in various electronic projects, allowing you to easily control fan speeds for cooling purposes.