Features 1、Powerful Fan: This wearable cooling fan vest has 2 powerful fans, adopting high performance brushless motors, equipped with pure copper core bearings, the air conditioner fan is low noise and high speed. You just need to press the included remote control button, you can switch the wind power weak, medium, strong and 3 speeds, free to switch. 2、UV Proof: This summer air conditioned clothes is made of super thin soft fabric with a sunscreen coating to prevent the temperature from rising, and has a high degree of heat insulation, realizing a temperature reduction of an average of 17 °C compared to air conditioning undershirts made of usual materials. 3、USB Power Supply: This air conditioned work clothes vest is USB powered and can be installed with a 10000mA battery (not included), fully charged for use or connected to a rechargeable treasure for use, very convenient. 4、Breathable And Comfortable: This air conditioning jacket is made of excellent quality polyester fiber material, which absorbs sweat, disperses excellent, humidity wicking, breathable, and not easy to produce obnoxious odor. The wind energy sent out from the fan cools well from the neck to the body, so you can work comfortably even on sweltering rainy days. 5、Wide Application: This air conditioned clothes has a wide range of applications and can be used in a variety of situations such as leisure, outdoor, distribution, schooling, hiking, fishing, work, agricultural work, gardening, field work, construction, transportation, line factories, civil engineering work, iron industry, events and so on. Specification Item Type: Air Conditioned Work Clothes Vest Material: Polyester Fiber Gender: Unisex Speed: 3 Gear Adjustment Package List 1 x Cooling Vest 2 x Fans 1 x Connection Cable