Features: Three speeds controlledby one switch, easy operation It can be folded by 180 for desktop or handheld use The front grille of the fan can be removed by rotating counterclockwise, convenient to clean Built-in 1200mAh battery and universal Micro USB interface, support to connect a variety of devices such as computer, mobile power, etc, enjoy the coolness at any time Equipped with five-blades design, airflow cutting is more delicate, and the wind feels softer The brushlessmotor for stable energy supply and energy-saving effect 3.