1、[High Speed Cooling Fan] Our fan shirt features brushless motor fan with copper core bearings, offering low noise, high speed, and large air volume, adjustable low, medium, and high speeds. 2、[Innovative Fabric] Using super thin soft fabric with sun resistant coating, our cooling fan jacket significantly reduces temperatures by an average of 17℃ compared to regular sun protective wear. It offers excellent sweat absorption, breathability, and prevents unwanted odors. 3、[Comfortable Cooling] The fan provides ample air circulation from neck to body, offering comfortable cooling even on humid rainy days, allowing for productive work in any weather condition. 4、[Convenient USB Power] Simplified with USB power, the air conditioned work wear operates with portable power bank (not included) for long working hours, with easy to use start and stop button. The propeller section can be cleaned directly by removing the outer cover. 5、[Versatile Use] Optimized for individuals operating in factories or outdoors in sweltering summers, the cooling clothes can be used for leisure, outdoor activities, courier services, school, climbing, fishing, work, farming, gardening, construction, transportation, and more. Item Type: Cooling Fan Jacket Material: Polyester Suitable for: Men Color: Blue 1 x Cooling Fan Jacket 2 x Fan 1 x Connecting Cable