Description: 【High Performance】: There have two fan in cooling vest, can quickly reduce the body surface temperature, accelerate the dissipation of sweat, brings continuous cooling to the human body, especially suitable for hot summer days. 【Features】: The fan have three speed wind power can be converted into three stages of high, medium, and low, with a speed adjustment usb cable. 【Easy Maintenance】: The fan vest used ergonomics, and the cold wind surround you 360 degrees. (Note: please take out the fan and cable when cleaning) 【Cooling Vest】: Cooling Vest is suitable for people of different sizes, make sure it fits most wearers, men, women. 【Versatile Use】: Cooling Vest is suitable for cycling, walking, auto repair workshop, production workshop, restaurant kitchen, construction site and other outdoor high temperature environment in summer. Reflective strips design in vest can be use at night. Specification: Material: Polyester, PP Size Chart:Length 64.5cm/25.39inch, Chest 110cm/43.31inch, Shoulder Width 46.5cm/18.31inch, Hem Circumference 84cm/33.07inch Package Includes: 1 Piece Cooling Vest 2 Pieces Mini USB Powered Fans Note: Please allow slightly errors 1-2cm differences due to manual measurement.