Features: Bladeless neck hanging fan, protect your hair from getting involved into the fan, wearable, you can wear it anywhere, enjoying cool wind and fresh air all the time. 3 Speeds, including soft wind, cool wind and strong wind, you can choose the one that suits you best. 25DB low noise operation, USB rechargeable, super long endurance. Over-current protection, high temperature protection, over-charge protection and over-discharge protection, safe to use. Compact and lightweight, easy to carry anywhere, great for traveling, reading, working etc.