Portable Air Cooler Fan - Rapid Cooling 3-In-1 With 3 Speeds, 60% Longer Airflow, Usb Rechargeable & Battery Powered For Home, Office, Dorm - Ultra Quiet (30Db), Evaporative Cooling, No Ice Needed

Rapid Coolingcool Without Waiting-Anhydrous State：Cooling 1-2°C, Water Addition Status：Cooling 4~6°, Icing Statecooling 8-10°C Multiple Power Supply Methodsenjoy Cooling Anytime, Anywhere.Portable Source,Notebook,Charging Head Long Distance Air Supplythree Speed Adjustment.Large Angle Aviation Turbine Fan Blades To Increase Contact With Airincrease The Air Supply Distance Of The Contact Area By 60% Third Gear Wind Speed.Adjust According To One'S Heart, Comfortable And Refreshing Low Noise Operationjust Cool And Not Disturbing.90Db-Car Horn,50Db-Normal Speech,40Db-Library,30Db-Air Cooler