Long battery life: The handheld fan adopts an upgraded battery with a large capacity. The battery life of the hand fan is up to 12 hours after a full charge, which is more durable than other usb fans, providing you with coolness all day long. Strong wind and low noise: Silent fan has a built-in new brushless copper motor, and the efficient power supply and conversion circuit can maximize the wind power and always keep running softly, saving energy and environmental protection. The hand held fan can be adjusted in three gears and can be switched at will. Hand held fan is the best choice when you are traveling, fitness, barbecue, camping, watching ball games and other outdoor activities. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.