A small fan is a portable fan that is compact in design and suitable for personal use. They often have a variety of wind speed regulation functions to provide a cool wind feeling, suitable for desktop, bedside or car use. Modern small fans have multiple power options, including USB, battery and rechargeable, for convenience and flexibility. Most small fans have low noise and moderate air volume, which is suitable for use in offices, bedrooms or other small Spaces. Due to its simple design and easy operation, the small fan is ideal for cooling down and adding comfort in the summer.