Fill the tank of the device with tap water or mineral water (do not use distilled or purified water). Add 5 to 20 drops of essential oil.

Press once: the broadcast begins and the colors scroll
Press a second time: to fix the color of your choice
Press a third time: to broadcast without color
Press a fourth time: to turn off the diffuser

When the water level in the tank is insufficient, the diffuser stops automatically.