Microphone Amplifier description

Core features:
Wire-tapping the voice around you, providing 50 level of audio gain.
High quality recording. (original data, Wav format)
Now you can convert audio file to mp3
Sound oscilloscope.

-To improve your experience, please plug in your headset first.
- You can use this app as Hearing aid.

Note: This software can't change your microphone's function or performance.