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