Built in rechargeable battery, easy to charging through USB interfaces, to use With a unique folding structure, this fan is easy to store and carry Its compact and lightweight design allows you to enjoy a cool The fan has 4 speed function, allowing users to choose the appropriate speed according to their actual needs, thus achieving a unique cooling Featuring an adjustable locking clip design, the umbrella clip fan can be securely fastened to umbrella handles or other rod like supports, ensuring during use Adopting advanced quiet technology, even when operating in the highest gear, it can maintain a low noise levels, creating a quiet and comfortable environment for you