Stay cool and comfortable with this Portable USB Personal Air Cooler and Evaporative Air Conditioner, designed to provide fast cooling and refreshing airflow in seconds. Simply pour ice water into the water tank, turn on the device, and enjoy a breezy, cool atmosphere. Featuring 3 fan speeds to adjust the airflow, this energy-efficient air conditioner is powered by a USB port, making it cost-effective. With a water refill that lasts over 4 hours, you can enjoy cooling all night without worrying about high energy bills. It operates at a low noise level, ensuring a peaceful, undisturbed sleep. This compact, portable cooler is for use in various settings, including home, office, or outdoor activities like camping, providing a refreshing and purified airflow wherever you need it.