2-Pack Solar Clip On Fan for Hat, Dual Power Mini Personal Cooling Fan

2-Pack Dual Power Solar Fan: Get 2 clip-on fans in one set with dual power options. Run directly by sunlight via high-efficiency solar panel, or rely on the built-in 3.7V 300mAh lithium battery for continuous cooling when clouds or shade block the sun. You can also recharge it via USB for backup power, no longer limited by outdoor power sources. | 3 Adjustable Wind Speeds: Choose from low, medium and high airflow levels to match your cooling needs. Enjoy up to 2.5 hours of gentle breeze on low setting, 2 hours balanced airflow on medium, and 1.5 hours strong cooling on high. Free your hands to focus on fishing, hiking, golfing or outdoor work while staying cool. | Safe Charging & LED Indicator: Engineered with premium IC protection circuit to prevent overcharging and over-discharging, safeguarding battery lifespan for long-term use. Visible LED indicator lets you easily check charging progress: red light while charging, green light once fully charged. Safe and stable for all-day outdoor adventures. | Lightweight Clip Design: Weighing only 86g per fan, this compact fan comes with a sturdy clip that firmly attaches to items up to 20mm thick. Securely clip it on rigid wide-brim sun hats, backpacks, tents and patio umbrellas. Important: Not recommended for soft floppy hats or baseball caps, which may sag and block your sight. Ideal for camping, gardening, construction work and more. | Easy-Clean Eco-Friendly Build: Powered by renewable clean solar energy to cut down battery waste, perfect for environmentally aware outdoor enthusiasts. The detachable fan cover enables quick disassembly for simple cleaning. Durable build delivers reliable cooling performance, making it a must-have summer accessory for outdoor lovers.