Enhanced 3D Airflow System: Equipped with a 4 turbo-supercharged engine, this neck fan intensifies airflow and cooling efficiency. A design targets back cooling to prevent sweating, while a 3D convection system surrounds you with cold air. Extended Battery Life & Fast Charging: Enjoy up to 12 hours of cooling with a robust 5200mAh battery. The USB-C fast charging reduces downtime, ensuring you stay cool all day with less waiting, perfect for prolonged outdoor events or daily wear. Instant Cooling Technology: Experience immediate relief from the heat with the neck air conditioner, featuring an advanced chip and a large aluminum cooling plate that reduces your temperature by up to 30°F in just seconds, ideal for outdoor activities and more. Adjustable Cooling Settings: Tailor your cooling experience with 3 fan speeds and 3 wind settings. An LED display keeps you informed of the battery status, helping you manage power and maintain optimal cooling levels. Stylish and Comfortable Design: This neck air conditioner mimics the convenience of wearable headphones, offering a hands-free cooling solution. Noise reduction technology ensures quiet operation, making it suitable for use in various settings like offices and outdoor adventures.