Ultra-Quiet & Powerful: Featuring a brushl motor and turbofan blade technology,this fan operates at ultra-low noise levels. 3-speeds wind,allowing you to choose the powerful airflow you need. pact & Space-Saving Design: With dimenss of 4.4"x3.3"x2.3" and a lightweight 4.86 oz,this mini clip-on fan fits anywhere. Its rounded clip eds safe handling,from burrs. Long-Lasting Recharable Battery: Equipped with a 2000mAh battery,this fan offers 3-11 hours of continuous use. for outdoor activities,offices,and more – reble and reliable. Versatile & Strong Clp: The small clip opens up to 1.5",with silicone pads to prevent da and a se fit. It attaches to rods or boards up to 1.3" thi. 270° Adjustable Airflow: Adjust the fan up,down,left,or right to airflow reaches you from any angle. for personalized cooling..