Posted by a reviewer on Amazon

It was nice but the electrical sounds were quite noisy

Posted by a reviewer on Amazon

Quiet not noisy at all although a resonable low sound of water is noted this is to be expected considering water needs to be heated to expell steamdiffuse oils

Posted by a reviewer on Amazon

Hard to get one which does not light up like a xmas tree

Posted by a reviewer on Amazon

The constant gurgling sound could drive a hearing person to distraction

Posted by a reviewer on Amazon

For such an amazing thing the price is very small