USB fan use for notebook computer, power through USB port, direct airflow with flexible neck Chill out with flyfan Get a strong, steady stream of cool air directed where you want it with the tareda flyfan. Notebook computer user will enjoy staying comfortable on airplanes, trains, cars, and working in temperature-controlled offices with this small, personal fan. And it's easy to use. Just plug the flyfan connector into any USB port. Soft, safe nylong blades instantly circulate a cool, fresh breeze, while the flexible neck lets you direct the airflow for maximum comfort. No batteries are needed. The flyfan 3.3~5v motor uses minimal battery charge, and the small, compact size tucks into any computer case for easy travel.