Water-saving Sound

Sound in the toilet do not want people to hear.
But the flow of water that is not good for the environment, but it is uneconomical.
Using such app when, instead of us playing the sound of flowing water.
Duration is the length of the safe and about 25 seconds, you can also adjust the volume.
In addition, a record amount of water conservation and water conservation unit,
A glance how much you have contributed to the eco.