The Best-Selling USB Cooling Fan is a versatile and energy-efficient option for any room. With a handheld design, this cooling fan is easy to use and move around. Powered by a USB source, it requires only 10W of energy while providing a Powerful Air Flow Volume of less than 550 m³/h. Perfect for maintaining a comfortable environment, this air cooler also doubles as a desktop humidifier, making it a convenient addition to any space. Compatible with Universal Smart Home technology, this fan is a must-have for those looking to enhance their living areas with a touch of coolness and freshness.