The 4000mah rechargeable portable fan delivers powerful airflows with advanced turbines technology, keepings you cool for extended periods during outdoor or indoor use Ideal for travelers, workers, and outdoor lover needing personals cooling during commutes, camping trip, or desk work Perfect for use in car, backpacks, patios, or dorm room – its lightweight design ensures instantly cooling Featuring a digital display for battery, this fan adapts to any cooling preference from gentle winds to turbines airflows Engineered with abs housing and components, this desk fan combines portability with best for comfort