Features: Staying cool with this portable clip on fan featuring innovative cooling technology, delivering relief during outdoor adventures or daily commutes. Engineered with a secure buckle attachment systems and various speed adjustable airflows, its lightweight ABS construction ensures durability while maintaining quiet operations below 25dB. Ideal for hikers, fitness enthusiasts, and professional seeking cooling solution without compromising mobility in crowded spaces or nature excursions. Perfectly adapts to backpacks, belts, or patio chairs for camping, gym, or home office use, providing targeted airflows during intense workouts, heatwaves, or focused work hours. Combines practical cooling efficiency with ergonomic portability, the integrated module lowers ambients temperature by 5 8°C, making it essential for festivals, construction sites, or student dorms. Specifications: Component: ABS Battery Capacity: 2000mAh/4000mAh Size: Approx. 4.53x3.22inch(11.5x8.19cm) Package Includes: 1x Fan note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.