- Versatile Power Range: Operates on a voltage range of 4 to 12 V with a rated output of 5 W. Ensure optimal performance without overloading the unit. - Easy Setup: Simply plug the regulator into your phone's charging socket. Connect the fan's USB plug into the regulator's USB port. Adjust the speed effortlessly using the intuitive control knob. - Smooth Speed Control: Features stepless speed regulation, allowing for stable output voltage adjustments from 2.5 V to 8 V. Customize the fan speed for maximum comfort in any environment. - Durable Design: Made from high-quality ABS material for longevity and reliability. The regulator includes a USB input for compatibility with a variety of devices. - User-Friendly Operation: The simple rotary control adjusts the fan speed—turn clockwise to increase and counterclockwise to decrease, providing a tailored cooling experience. Use Scenarios: 1. Personal Cooling: Ideal for use at your desk or bedside, ensuring a comfortable breeze while you work or sleep. 2. Outdoor Activities: Perfect for camping or picnics, simply connect the fan to a portable power bank for convenient cooling on the go. 3. Gadget Companion: Use it with your smartphone during hot days for portable air circulation, enhancing your comfort wherever you are. This product combines functionality, compatibility, and ease of use, making it an essential addition to your cooling solutions.