Zen Aroma Diffuser 300ml
 
Has five built in sounds - white sound, rainfall, heartbeat, birds, rainfall. White sound is known to help promote relaxation.
Has a choice of four timer options 1 hour, 3 hours, 6 hours or steady on. 
7 LED light colour options allow for different colour cycling or single colour glow.
Misting mode
Five levels for sound volume
Automatically shuts off when it runs out of water