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 Built in rechargeable battery, easy to charging through USB interfaces, to use The fan has 4 speed function, allowing users to choose the appropriate speed according to their actual needs, thus achieving a unique cooling With a unique folding structure, this fan is easy to store and carry Its compact and lightweight design allows you to enjoy a cool 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