[Solar lighting fan helmet]: solar + battery dual power supply, it can automatically charge the solar energy when there is sunlight, and can use the USB interface to charge when there is no sunlight. Long battery life.
[Free charging]: When the phone is powered off, the helmet is a power bank, which can charge the phone, or you can use the phone to quickly charge the hat when the helmet is out of power.
[Four wind page fans]: Freezing point fan: 80MM four wind pages, low noise, high wind, whether it is the scorching sun of a tower building or the scorching sun of a construction site, it can be used to cool down.
[Waterproof solar panel]: Using sub-layer panels, it can withstand long-term sun and rain. It can help about 8-10 years. The surface is waterproof, so you don‘t have to worry about being damaged in rain (no need to be immersed in water)
[Multiple functions]: compass (to prevent getting lost in the wild); temperature needle (check the temperature to prevent heat stroke); solar energy (super battery life).