Thank you for viewing. ■ Vest type that is cool and easy to work in ■ Simply put it on to prevent heatstroke ■ Large electric fan with a diameter of about 10cm ■ Adjustable wind speed in 3 stages ■ Convenient four storage pockets ■ Machine washable [Product Contents]: Air-conditioned vest [Size]: L [Color]: Navy [Weight (approx.)]: Vest - 188g / Fan - 96g (per piece) [Material]: Polyester, ABS [Rated voltage]: DC5V * Battery is not included. * When using a 12000mAh battery Low: Approximately 10 hours Medium: Approximately 6 hours High: Approximately 3 hours Air-conditioned vest work clothes heatstroke prevention summer fan-equipped vest air-conditioned wear water repellent wind speed adjustment electric fan