The WF01 Waist Fan is a portable and durable cooling device ideal for outdoor activities, work, and daily commuting. It features 1-4 adjustable airflow stages to meet diverse cooling needs, with a rated input of 5V 2.4A (MAX 12W) and power consumption of 4.9W for energy efficiency. Equipped with a 3.6V 9800mAh high-capacity battery, it offers impressive usage time: 28 hours at Stage 1, 21 hours at Stage 2, 12.5 hours at Stage 3, and 7.5 hours at Stage 4. Charging is convenient via USB Type-C terminal, taking 5-6 hours for a full charge. With a compact size of 105*93*47mm and a net weight of 300g, it’s lightweight and easy to wear around the waist without burden. Suitable for operating temperatures of 0~40°C, this waist fan combines portability, long Battery life, and adjustable performance for reliable cooling anytime, anywhere.