1.[All-Day Coolness with 5 Speeds]Neck fans that blow cold air with 5000mAh large capacity batteries provide 3-16 working hrs duration (depending on different speeds). Neck fan rechargeable 5 wind speeds to choose from, allowing you to flexibly customize the airflow according to their personal needs, meeting cooling requirements in various scenarios, keep you cool from the awful heat. 2.[Enhanced Cooling & Safe Design]Upgraded neck fan features an innovative turbo fan blades and wind hole design, efficient division of air and feel the cooler breeze more gently. It also will not pinch hair or cut your fingers, can be used ly by long hair people, children and the elderly. This portable neck fan is a lifesaver on hot days, keeps you cool and dry, has significantly improved your comfort on sweltering days. 3.[Comfortable & Fashionable Design] Neck fans that blow cold air rechargeable featuring a simple and stylish design, the lightweight body is ergonomically designed for comfort, ensuring no strain on the neck even with prolonged use. It's perfect for daily commutes, outdoor activities, and more. 4.[Low Noise Design & 360?? Airflow]Using advanced high performance brushless silent motors, these personal fan neck achieves the dual benefit of significantly increasing airflow speed while reducing noise levels. With a 360?? surround air to provide cool over your neck and face. Cooling neck fan is a game changer for menopause hot flashes.