Just hang around your neck, start it and enjoy the cool breeze. It is light-weight, so won't hurt neck because no swing back and forth while walking but to enjoy the fresh air.
Up to 12 hours of use
It has three wind speed control modes: Low speed-12 hours of use, medium speed-6 hours of use, high speed-3 hours of use. Adjust appropriate fan speed by pressing the power button to have strong wind power for cooling. Operating time (fully charged): 3-12 hours.
180 Degrees Rotation
The necklace fan could be adjusted 180 degrees up and down, flexible adjusting the wind direction. You can use it as a small handheld fan (hold it in hand) or as a desk fan (put it on a table).