[Rapid Cooling Technology] Utilizing a cutting-edge semiconductor cooling plate paired with aviation aluminum, this neck fan reduces the surrounding temperature by up to 15℃. Experience instant relief during high heat conditions, making it an perfect accessory for outdoor and travel use. [Adjustable Speed & Long-Lasting Battery] Tailor your breezes with three wind speeds - low, medium, high. This neck fan is powered by a sturdy 4400mAh battery, providing 1.5-8 hours of cooling based on your chosen setting, complemented by a handy Type-C port for convenient charging. [Ultra-Quiet Operation] Designed for peace, this wearable fan operates at a minimal noise level of 35 decibels, ensuring your tranquility in various settings, whether working, commuting, or engaging in outdoor activities. A perfect blend of function and comfort for everyday use. [Intelligent LCD Display] Stay informed with the easy-to-read LCD which shows vital information such as battery life and cooling mode. This