This handheld high-speed cooling fan uses an advanced high-speed three-phase brushless motor, which is not only powerful, but also operates more stably and has lower noise, bringing you an unprecedented cooling experience. The unique cooling function design makes the fan not only a transmitter of wind, but also a private small air conditioner in summer. Just press and hold the switch to turn on the cooling mode, instantly dissipating the heat, allowing you to enjoy the cold wind on your face anytime, anywhere. carefree. 100 steps of stepless speed adjustment, the wind speed can be easily and delicately adjusted through the delicate roller, from "01" to "100", whether you prefer a gentle breeze or desire a strong wind, you can find the one that suits you best. The initial wind speed is set to "20 gear", which is just right and comfortable, making every blow just right. Intelligent digital display, the built-in digital display shows the air volume level, cooling status and remaining power in real time, allowing you to understand the working status of the fan at a glance. The battery percentage indicator allows you to know your charging needs in time. "LO" reminds you when the battery is low, and "100%" is displayed when the battery is full. Intelligent management makes worry-free use. Long battery life, built-in 3600 mAh large-capacity battery, provides long-lasting power guarantee. Under normal use, the battery life can reach 2.5 to 12 hours. Even if the cooling mode is turned on, it can last for 2 to 3 hours, ensuring your outdoor activities or at home. Unlimited use. It only takes about 3.5 hours to charge, quickly replenish the battery and be ready for the next cool journey. Humanized design, you can easily control the fan on and off and adjust the wind speed with a short press of the switch. The simple and intuitive operation logic allows everyone to get started quickly. The seamless integration of refrigeration and display functions allows technology to serve every detail of life and enhance your experience. This handheld high-speed cooling fan has become an indispensable cooling companion in the hot summer due to its many highlights such as efficient cooling, long battery life, intelligent digital display, and delicate stepless speed adjustment. Whether it is for outdoor adventure, family leisure, or office use, it can bring an unprecedented cooling experience, allowing you to go with the ice and keep you cool all summer long, becoming a trustworthy cool guardian in your life.