Ergonomic waist belt with adjustable fit and combines practicality with modern for cooling solution Ideal for hikers, construction crews, and anyone needing portable airflows during physically demanding activity in hot conditions for camping, job sites, gardening, or festivals where cooling boosts productivity and enjoyment Staying cool with the 10000mAh waist mounted fan featuring 3 speed setting (up to 12500RPM) and 24 hour runtimes, perfect for extended outdoor and worksites With reductions technology (<25dB) ensures all day comfort using high temperatures resistant materials