- Power Supply Range: Operates efficiently within a voltage range of 4 to 12 V, with a rated power of 5 W. Ensure not to overload for optimal performance. - Easy Setup: Simply plug the regulator into your phone's charging port, insert the fan's USB connector into the regulator's USB socket, and use the adjustable knob to set your desired speed. - Variable Speed Control: Features stepless speed regulation with stable output voltages ranging from 2.5 V to 8 V. This allows you to precisely adjust the fan speed, enhancing your comfort level based on your environment. - Durable Construction: Made from high-quality ABS material, this regulator is designed for durability. The user-friendly knob allows for easy clockwise adjustment to increase speed and counterclockwise to decrease speed. - Versatile Applications: Ideal for personal use in various settings such as: - Keeping cool while working at your desk or during outdoor activities. - Providing a gentle breeze while resting or studying. - Enhancing airflow in small spaces like tents or during travel. This regulator is a practical solution for anyone seeking customizable airflow control, ensuring comfort in diverse scenarios.