Solar fan helmet and LED light, safety helmet, solar charger, USB output, engineering cap, construction site protection, pressure-resistant,

Description

Dual solar and battery power supplies automatically charge the sun to extend battery life and cool efficiently. Even if there is no sunlight, the head fan will last for 12-36 hours and never stop working in the sun. LED light: Suitable for work night or dark light, adjustable angle, convenient and safe. The built-in battery has a USB output interface, which allows you to use the hat as a mobile power source to charge your mobile phone. The headset has a design special aerodynamics and breathable foam, which can reduce air resistance and reduce sweating. Suitable for cycling, cycling, skateboarding, skating and various outdoor camping sports. Compass design and thermometer design can be used as a compass in the field and display real-time temperature. Comfortable headband and balanced design, adjustable headband provides a comfortable non-slip fit, while allowing users to completely free their hands for work. The hollow insulation layer design provides cool and comfortable wearing and