A portable fan is a small, lightweight device designed to provide a cooling breeze in various settings. It can be powered by batteries or electricity, making it easy to use at home, in the office, or while traveling. Portable fans come in various sizes and styles, including handheld, clip-on, and stand-alone models, allowing users to choose one that best fits their needs. These fans are especially useful during hot weather or in stuffy environments, as they help improve air circulation. Many portable fans also feature adjustable speed settings and oscillation options, enhancing their effectiveness. Some models even include additional features like built-in lights or USB charging capabilities, making them versatile tools for comfort and convenience.