XIANQI Product description Color: white Sizs31*19cm 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. 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. 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. 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.