1. Long press three seconds (turn on / off)
2. Touch key, cycle switching speed.
3. Working: blue light flash.
4. Charging: red light flash.
5. Full of electricity: blue lights bright.
6. Electricity shortage: red light flash.
Cool: Wind-doubling twin turbo fan blades and 42 air outlets provide a 360Β° cooling experience. For those with long hair, this is your good news. The fan head adopts a leafless design, so that the hair will not be rolled into the fan when worn