Adjustable 3-speed wind function: it generates strong airflow to keep you cool. 2000mAh battery provides a runtime of 3 to 16 hours. (battery life depends on the speed). Instant 3 second cooling: Say goodbye to sweltering heat! This cooling plate can reduce the temperature in just 3 seconds,small portable fan providing instant coolness and comfort.Hand fan can be easily attached to your forehead, face, neck, or any other part of the body to achieve the desired cooling effect. With this Personal Fan, it's like having a portable air conditioner that you can take anywhere, ensuring you stay cool and comfortable . USB rechargeable Fan: Fans that blow cold air comes with a 2000mAh rechargeable battery, Whether you are traveling, commuting, working, or engaging in any other outdoor activities, the mini fan rechargeable ensures that you can enjoy the for an extended period. It can be easily via a regular USB socket, laptop, power bank, or car charger, making it convenient for on-the-go use.