Upgraded Large Cooling AreaNewly neck cooling fan adopts newly semiconductor cooling technology, 3 cooling plates surrounding your neck provide full coverage for maximum cooling effect, cooling area has increased by 200%, instantly lower the temperature by 60~70 in few seconds. Newly cooling experience for this summer! 720 Surrounded WindUpper and lower 72pcs wind outlets, not only bring 360 all around cool wind for neck and head, but also cool your clavicle and chest. Unique 4D airflow design offers an immersive cooling experience. Bladeless neck fan, no need to worry about hair twisting and carefully protect your safety Digital Screen & 3 Wind Speeds 3 Wind speeds (soft - medium - strong) adjustable, meets different requirements for daily use. Not only can be used as neck cooler fan, also can be used as a neck warmer offers therapy heat for neck. With digital screen, you can easy to check the remaining battery and wind speed 6000mAh Large BatteryUpgraded 6000mAh large capacity battery offers a long-lasting performance with up to 10 hours in Fan mode, or 3 hours in cooling mode. USB Rechargeable with included type-c cable, 2 hours fast charging, easy to be charged by laptop, adapter, power bank, etc. Hands-Free Design & Ultimate ComfortThe cooling neck fan is designed to provide hands-free operation, allowing you to stay cool while engaging in various activities, such as sports, travel, cooling, working, music festival and outdoor activities. Ergonomic and lightweight with adjustable silicone joints, comfortable to wear, fits different neck sizes