1. Power on/off: press the power button for 1-1.5 seconds to turn on/off.

2. Fan speed: press "Fan" button to toggle between LOW, MEDIUM and HIGH speeds.

3. LED Light: press once to select color, press twice to turn off LED. Press again to auto cycle through colors.

4. UV sterilizer: press to “Sterilier” button to turn on. Press again to turn off.

5. Diffuser: Press "diffuser" button once to turn on. It will diffuse for 1 minute,every 5 minutes. Press again once to turn off.

6. Working with lithium battery: unplug the USB cable and install the lithium battery (model 18650) into the battery compartment and replace cover.