This Summer Sport Jackets Windbreaker is made of material, providing comfort while wearing. It features dual fan design with adjustable airflow modes, preventing heat stroke and improving work efficiency. The jacket is easy to use, machine washable, and comes with USB rechargeable fans. It is suitable for workers in hot areas and can be used for outdoor sports. Stay cool and comfortable with this innovative clothing. Available in different sizes and colors. Features 1. Comfortable to Wear: Made of material, it is comfortable to wear. Not only does a cooling jackets evaporate sweat quickly, it also reduces skin problems caused by sweating. What's more, it can prevent heat stroke and improve work efficiency. 2. Dual Fan Design: The cooling fan has two fan units at the waist position of the clothes. Connect the power bank with USB and the clothes start to work. It has three airflow modes as well as a turbo mode so you can adjust the airflow to your working conditions. 3. Easy to Use: The cooling fan jackets is easy to handle and safe. It's machine washable, don't forget to remove the fan assembly before cleaning. 4. Speed ​​Control and USB Charging: Built-in USB rechargeable fans, this suit has 3 adjustable wind speeds. With a USB power cable, it can be easily connected to any power bank, computer, AC adapter, etc. 5. Wide Application: As summer clothing and heat-resistant clothing, it is very suitable for workers who are working in the wild and hot areas. Suitable for kitchen cooks, tour guides, farmers or warehouse workers and others who need to work in high temperature environments. It can also be used for outdoor sportswear. Specification Material: Chemical fiber blend Color: White, Yellow, Blue, Grey Size: M, L, XL, 2XL, 3XL, 4XL Weight: 280 g, 290 g, 300 g, 310 g, 320 g, 330 g Battery Capacity: 1000 mAH Power: 5 v Using time: 19 hours Package Include: 1 x Air Conditioned Jackets 2 x Fan 1 x USB Charger Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store