Feature:1. Creative Cooling Vest: The cooling vest has two removable fans that moves fresh air along the back and shoulder, evaporating sweat instantaneously that make you feel cooling in hot day.2. Heat Management: The fan cooling vest can manage heat stress, can feel very comfortable at work, avoiding heavy sweating and heat stroke.3. UV Resistant: The body cooling vest is made of polyester, skin friendly fabric, sun protection and heat resistant, can resist most UV rays, breathable, lightweight for easy to carry, also good for traveling.4. Reflective Stripe: The fan cooling work vest has reflective stripes on shoulder that keep you safe in night, can help you keep cooler in hot job site conditions.5. Various Scenes: The air conditioned fan vest is suitable for worker, construction, gardening, hiking, walking, kitchen cook, guide, farmer or warehouse worker.Specification:Item Type: Cool Vest Voltage: 5VPower Supply Port: USBSize Recommendation:XL--JP:3L--US:M--KR:100-- Suitable Height: Approx. 175cm/68.9inXXL--JP:4L--US:L--KR:105-- Suitable Height: Approx. 180cm/70.1inXXXL--JP:5L--US:XL--KR:110-- Suitable Height: Approx. 185cm/72.8in.Package List:1 xCool Vest 2 x Fan1 x Connection CableNote:Do not include power supply, need to buy mobile power additionally.