sound of bubbles best to put in undersea scenes, - Simply beautiful and relaxing sounds of bubbles splashing along the shore and sea gulls. - We remixed the sounds into a shorter running file so we could maintain excellent quality so it does not put a strain on your room size. - Sounds will loop over and over again as long as you are in the room. - Just install this product (only one) anywhere in the room as furniture and that's it! When someone enters the room, all that has to be said is the greeting and the ocean sound effect will start for them because the trigger words are any one of the following: "HI"