USB charging to solve the problem of insufficient fan battery when going out Suitable for commuting, travel and other that require long-term use, allowing you to enjoy coolness at any time Using ABS+PC materials to ensures the durability and of the product, reducing the risk of damage caused by or collision Suitable for various usage environment such as homes and dormitories, improving service life Delicate and small design, easy to carry and store, without taking up space Suitable for users such as students and workers who need to carry it, meeting their daily convenience needs Not only is it a handheld fan, but it also have the function, providing emergencies charging for your and other devices, especially suitable for protections during outdoor activity or emergencies situations Adopting quiet technology, it can maintain low noise operations even in the highest gear, avoiding disturbing work or rest Very suitable for offices, libraries, and other place that require a quiet environment