[Wind power 3-step adjustment / Compatible with air conditioning / Equipped with a large capacity battery 6000mAh / Up to 18 hours continuous use / Type-C charging] Whether it's extreme heat or extreme cold. The ultimate all-weather neck cooler is here. "WearCoon" is an epoch-making portable fan that has a built-in smart chip that adheres to the skin and transmits cold and warm sensations in addition to a powerful blowing function. The smart chip makes the area around the neck cool in the summer, and conversely, warms it comfortably in the winter. It features a powerful blowing technology that is not expected from the seemingly compact appearance of WearCoon. With 5 powerful fans and airflow amplification technology, the wind speed can also be adjusted in 3 steps, enveloping your body in a cool breeze. It is equipped with a 6000mAh large-capacity battery that can be used continuously for up to 18 hours on a single charge. Whether it's a hot or cold day, you'll always be comfortable. Powerful high-speed cold air Comfortable cooling and warming functions of the smart chip 6000mAh ultra-high-capacity battery to support one day Comfortable fit and reassuring design