USB Charging fan Mesh Baseball Hat

USB charging fan cap is suitable for summer, wind speed is adjustable, keep about 5 to 8 hours when fully charged. A hat with a mini fan can cool your face, and you can adjust size, choose a comfortable wearing experience according to head circumference. Block sun to prevent sunburn. Angle of fan is adjustable, comfortable and cool. Can be used indoors and outdoors, suitable for summer, outdoor activities, such as biking, hiking, walking, golfing, baseball and so on.