Cooling: Featuring the innovative JISULIFE 9-blade fan, with a three-phase high-speed motor, providing a maximum wind speed of 10m/s. Its speed reaches 40,000rpm, which is four speeds of the average regular rider. Ultra-long battery life: With a long-lasting 5000mAh battery, this portable battery provides up to 13 hours of continuous work, ensuring the use of the day's medicine from sunrise to sunset. Five-speed adjustment: There is no personal freedom with the five-speed settings that allow you to adjust the wind strength according to demand, whether you prefer gentle or varied breezes, wind differences are different. Unique design: Small and lightweight (160g) makes it easy to carry in your pocket or bag, welcoming traditional traditional festivals and welcoming easy cooling on the fly.