Operation of the mist function: push down the MIST button till hearing the voice -"bee", to get the mist function on.
This kind of diffuser use Ultrasonic waves to instantly vaporize water and essential oil in the tank, to produce a cool, dry fragrant mist.
Timing Set: You can set 30/60/120/180/ON minutes to let the device to turn off automatically or just choose "on" for turning off manually
There are 7 colors with degree levels available. Colorful changing by using automatic or manual mode, romantic and warm.
High vibration frequency: 2.4 Mhz, High capacity water tank: 100ml, Perfect for room up to 220 sq. ft. Compact size: 5.5"(H)x3.2"(W)
Automatic shut off safety system when waterless protects the product from being burned out.(USB port)