1. 【Strong air flow & low noise】: The portable fan hangs around the neck and the air flow comes like a sea breeze, you can enjoy the cool summer. In addition, the fan noise is less than 50 dB, which does not affect you or disturb the work or study of other people. 2. 【Portable fan】: The USB fan is like a portable headphone. When you hang it around your neck, you can easily release your hands and your neck is also very relaxed. If you are looking at a cell phone, shopping or hugging a child, a portable fan is the ideal choice. 3. 【Bladeless fan & 360 ° adjustable】: The USB neck fan bladeless design. This prevents long-haired people from stirring their hair in the ventilator and the hands-free ventilator can be adjusted by 360 °, so that you get an airflow from different directions. 4. 【3 speed modes】: The folding fan has low / medium / high speed levels to choose from, the switch button is next to the air outlet, and the wind speed level can be switched with one button, which is more convenient and easy to use, for travel, mountaineering, fishing , Office etc. 5. 【USB charging & long-lasting battery】: The mini fan is compatible with all USB output devices and supplied with USB data cable to solve charging problems at any time. Built-in 2200 mAh battery only needs to be charged for 2-3 hours and can work continuously for 5-10 hours (power consumption depending on wind speed).