A portable personal folding cooling hand fan is a small, portable fan that is powered by a rechargeable battery. It is designed to be portable and easy to use, with a folding design that allows you to easily carry it with you wherever you go. The fan is typically operated using a USB connection, and may have multiple speed settings to allow you to customize the airflow to your liking. Some models may also include a power bank feature, which allows you to charge your phone or other devices using the fan's battery. These types of fans are often used to help keep people cool in hot, humid environments, and are especially useful for outdoor events, travel, or during times when air conditioning is not available.