100 levels of wind speed adjustable, from soft wind to strong wind, to meet different needs High-capacity battery: Equipped with a 3600mAh battery, it can run for hours on a single charge. Built-in 3600mAh battery, wireless charging, can also be used as a handheld fan/table fan Portable handheld: This handheld fan can be carried with you, convenient to use anytime and anywhere. The small size makes it easy to carry and use. Three-in-one multifunctional use, standing, handheld and neck hanging, suitable for different places