Awful. Just sounds like static no matter which setting you try. The volume button didn't work. It was either off or loud. I emailed Groupon to tell them I want to return it for a refund. They refunded my money and said not to ship it back. Must have had a lot of complaints about this piece of junk.
The sounds were tinny and annoying. My toddler pointed at it and said "off! off!" even though she's used to white noise machines and generally is comforted by the sounds. There is no "on" position. You can only have it set on a timer mode, and the longest it will play is 60 minutes. We're returning it.
I was not happy with the item so I returned it. Thank you, Groupon, for making returns easy! I bought two of these. One had a terrible crackle with all sounds and the other didn't sound quite right and only had the crackle on certain sounds. Would be a great product if it worked. I