As global summer temperatures rise, portable cooling appliances have become essential daily gadgets for personal cooling. Portable handheld fans and desktop quiet fans break the limitations of fixed cooling equipment, adapting to diversified scenarios such as office work, outdoor travel, student dormitories and commuting. Lightweight body, rechargeable long battery life, adjustable wind speed and silent operation are the core advantages of high-quality portable fans. Some models are also designed with foldable and portable features, easy to carry in bags, bringing coolness anytime and anywhere. For end users, it is a cost-effective summer cooling artifact; for channel operators, it is a seasonal explosive product with low inventory pressure and wide audience, and can also be matched with other small appliances for combined sales to improve customer unit price.