Super Cooling Waist Hanging Fan for Outdoor Working

FEATURES INCREASED COOLING AREAS: The fan features two high-performance tuyere fans that work together to provide intense and concentrated cooling airflow, ensuring effective cooling even in hot and humid environments. The cooling area is increased by 300%, the double air duct 16℃ cold air surrounds the whole body, and the cooling area is up to 14,338 square millimeters.   POWERFUL MOTOR: With an efficient magnetic levitation motor, the speed is up to 15,000 RPM and the wind speed is up to 22 meters per second, allowing you to cool down quickly. LONG-LASTING BATTERY LIFE: The built-in 8000mAh or 15000mAh rechargeable battery provides extended runtime, allowing you to stay cool and comfortable all day outdoor work or activities. Also, you can charge your mobile phone with it, saying goodbye to running out of battery.   ERGONOMIC WAIST-HANGING DESIGN: The lightweight (250g), waist-hanging design distributes the fan's weight evenly, ensuring comfortable and hands-free use during prolong