Hands-Free Design- This innovative neck fan is designed to be worn around the neck to keep your hands free, easy to carry around. The lightweight hanging neck fan is suitable for personal cooling, travel, outdoor activities, doing housework, sports, office and so on. Free Rotationy- The tube supports for 360 flexible rotation. And both fan heads can be rotated 170flexibly to adjust the best wind direction. This portable personal fan can keep you cool during the whole summer. 3 Adjustable Wind Speeds- With 3 wind speed modes for your choice, simply press the switch button repeatedly to change the wind setting. Low/medium/high speed level to meet your needs in different situations. (Low speedthe working time is 14 hours. Medium speedthe working time is 7 hours. High speedthe working time is 4 hours.) Premium Bladeless Fan- This bladeless fan does not hurt your hair when used, which is safer. Made of high quality silicone and ABS materials, durable. Besides, wide neck stand design makes you wear more comfortable. High-performance Battery & USB Powered- Built-in 4000mAh rechargeable battery with high performance. According to different wind speeds, it supports 4-14 hours continuous use after being fully charged in 5 hours. Charge via USB devices, such as power bank, computer, laptop, USB charger.