Practical solar power hat with mini air fan for both men and women
Adjustable velcro stick buckle， easy to fit your head circumference
This fun hat can only be used at outdoor place where there is sunlight， the fun revolving speed depends on the brightness of the sunshine
Each solar panel dimension: 3.1 x 3.1cm
Suitable for fishing， hiking， cycling and other outdoor activities
With this item， you may not afraid of summer