Download cn.menue.decibelmeter free on android

This app will use the phone microphone to measure environmental noise decibels (dB) and show a value for reference. With this app, you can easily measure the current level of environmental noise. Simple operation and easy to use.
The high decibel value will be harmful to your physical and mental health and hearing function. You'd better avoid exposure in noisy environments.
To protect your and your family's health, detect the decibel value now!