[Large Vents & 5 Speed Adjustment]: 2023 upgrade portable fan,provides 5 speeds adjustment,10 large vents for 360-degree cooling,which can quickly cool down within 3 seconds, keeping you cool in summer. A digital display with 5 speed settings enriches your options.[Quiet and Comfortable]: Upgrade the brushless moter,the noise level can be reduced to 20dB. Made of eco-friendly ABS and silicone, it's also soft and durable.The metal gasket on the side makes it close to the neck and not easy to fall off.Lightweight at only 9.8 oz, reducing stress on the neck for long-time wear.[Long-lasting & Rechargeable]: Built-in 4000mAh rechargeable battery, can last for max 13 hours of working time. USB charge is convenient,only 3-4 Hrs to get it fully charged, no need to waste time waiting and use it again quickly.[Hands Free & Safety]: This personal fan use bladeless design without worrying about hair entanglement,and can be used safely by children and elderly.Stay hands-free while shopping or juggling other tasks, thanks to the wearable design of this neck fan. It offers unparalleled comfort and convenience.[Wide Application]: So convenient,simply hang it around your neck and take it anywhere you go. Ideal for personal cooling, hot weather cooking, running,gym,travel,camping,office, school, sports and outdoor activities.