The best hands-free personal fan, you can adjust the fan speed, press the power button to adjust the corresponding fan speed. This hands-free fan has strong airflow and is a summer must-have. This fan will not pinch or hurt you. USB charging supports chargers, computer chargers, power banks and chargers, laptops and other devices with USB output, so you can charge at any time. Due to different speeds, it can be fully charged anytime, anywhere. 3-6 hours. This portable fan is perfect for personal cooling, office and outdoor activities. Even if you run, travel and camp in hot weather, it is perfect for personal cooling, camping, football, baseball and other outdoor activities. Unique hands-free and neckband design, the USB fan hangs around your neck, allowing you to let go of your hands and enjoy the cool wind. You can take it with you. Ideal for indoor and outdoor activities. Say goodbye to hot flashes and sweating. Incredibly light and cool fan, easy to carry, compact and foldable into the corner of a purse, backpack or drawer to take up less space.