【Solar-Powered Fan Hat】Upgraded version with two mini fans built into the brim to cool your face, allowing hands-free operation. 【Dual Power Source】Features two solar-powered fans with an 800 mAh battery capacity, rechargeable via solar energy or USB. 【Effective Sun Protection】Design incorporates fans on both sides and uses breathable materials to block harmful rays while keeping the head cool. 【Comfortable and Breathable】85% polyester fabric ensures effective moisture-wicking. Waterproof surface with a sweat-absorbing band and mesh top layer for ventilation. 【Versatile Use】Ideal for outdoor activities such as golfing, hiking, running, cycling, agriculture, fishing, shopping, and beach outings.Specifications: Material: 85% Polyester Battery Capacity: 800 mAh Charging Methods: Solar, USB Number of Fans: 2 Fan Location: Front brim Features: Detachable, Moisture-wicking, Waterproof surface Design: Wide-brimmed, Mesh top layer