A lot of people are guilty of keeping the water running as they use the bathroom to mask the sounds associated with using the toilet. The Eco Melody 3201 Toilet Sound Blocker can do the same job and doesn’t waste any water. It has 80dB max sound level which is adjustable with the top button.
The Eco Melody 3201 runs on 2 x AA batteries. You can easily attach it to your wall to get started.