Chapéu de escalada RYYD Double-Fan - Secagem rápida ｜ Beirais grandes ｜ À prova d'água

Core function Dual power supply of solar energy and USB: The high-efficiency solar panel on the top of the cap automatically charges up in sunlight for unlimited battery life.USB charging is supported on cloudy days or indoors, saying goodbye to battery anxiety.15. Three-level wind force adjustment: The hat is equipped with dual turbo fans inside, concentrating the wind force directly on the face and neck, providing a strong cooling effect of over 10.°C, ensuring a cool and worry-free outdoor work experience.16. Waterproof and breathable fabric: High-density waterproof coating + honeycomb breathable mesh, sun protection UPF50+, no wet body in heavy rain, no stuffy sweat in high temperature 68. Full scene coverage Outdoor all-round parer: Hiking and mountain climbing. | Camping and barbecuing. | Cycling and traveling | working on construction sites. One hat soes the dual pain points of 'sun exposure and heat'