Portable fans are small, lightweight devices designed to provide a cooling breeze in various settings. They can be powered by batteries, USB connections, or electrical outlets, making them convenient for use at home, in the office, or while traveling. Their compact size allows for easy transport and placement in different locations. These fans come in various styles, including handheld, clip-on, and stand-alone models. Many portable fans offer adjustable speed settings and oscillation features, allowing users to customize airflow. They are popular during hot weather and can help improve air circulation in small spaces, enhancing comfort and reducing heat.