[RECHARGEABLE FAN WITH POWER BANK FUNCTION] Geek Aire 16'' Rechargeable Outdoor Fan is driven by a 15000mAh large Lithium-ion battery which takes 2.5-3 hours to be fully charged. It can run 2 - 18 hours, which is enough to support one day of cooling. In addition, with its power bank function, you can charge your digital devices.[HIGH VELOCITY FAN WITH TILT FEATURE] This battery powered fan possesses an adjustable 120°tilt head which directs movement more precisely to focus air flow where air is needed. Furthermore, unique metal fan blade design combines with powerful brush-less DC motor to provide max 2500 CFM high performance air flow and durable function.It can move a lot of air, ideal for use in a garage, warehouse, workshop, gym and outdoors.[VARIABLE SPEED CONTROL & LED BATTERY INDICATOR] This battery powered fan has a variable speed setting, which allows you to control the air flow and noise level to meet your needs (noise level depend on the speed). There's a LED battery life indicator on the control box, which can tell battery life, help you ration the battery life however you want and avoid any nasty surprises.[IDEAL FOR OUTDOOR USE] This rechargeable electric fan has a IPX4 water-resistant structure which protects it from inclement weather, such as sudden showers during outdoor work or camping. equipped with metal frame and anti-slip rubber feet, this fan has the ability to withstand dropping shocks and to run normally in a wide range of environments. Comes with a carrying handle, makes it easy to transport. Geek Aire 16'' rechargeable fan - a reliable and convenient outdoor cooling solution for you.[HIGH QUALITY AND SERVICE] Sturdy metal frame and blade, durable paint surface, you can feel the high-quality. We focus on providing excellent service, any issue will be resolved in 24 hours.