My sleep aide …. The Holmes 4" USB-Powered Personal makes cooling your personal space a breeze. This small, yet powerful portable fan is ideal for use on tabletops, desks or and dorm rooms. With a 360° adjustable head tilt, you can direct the airflow wherever you need it most. This compact fan includes an easy-to-use single speed option and sturdy support base. This fan is ready to be used with no assembly required, a modern black finish and a 1-year limited warranty. LTKOver40 LTKHome LTKFindsUnder50