Neck Fan Portable Face USB Hands-Free Mini Wearable Sports Handheld Cooling Small New Fans

Function Buttons:

1. Long press three seconds (turn on / off)
2. Touch key, cycle switching speed.
3. Full of electricity: blue lights bright.
4. Electricity shortage: red light flash.

1. Press and hold for 3 seconds to turn on the fan and enter weak mode.
2. Press stroke mode again
3. Press the third time, it is strong wind mode
4. Press again to turn off the fan.