This app can output sound through earphone or headset.
This app outputs the sound of the microphone through the selected speaker unit.

Sound from the microphone can also be played in the background.
You can use it as a karaoke microphone while playing music.
Use the presentation microphone while giving a presentation.
This app has a speaker output switching function.

Create your own karaoke with a mini microphone.

How to use a mini microphone (miniature microphone).
1. Connect the mini microphone to your smartphone.
2. Connect the earphone to the mini microphone disconnect jack.
3.Select App Home Headset Earphone Mode.
4. Tap the microphone button on the next screen.
Sound input from the mini microphone is output to the earphone.
Even without a mini microphone it works alone as a headset (earphones with a microphone).


When you want to make a loud noise use it as a megaphone or megaphone.
If you can't hear well try using this app as a hearing aid.
Use the sound of your heart or heart rate through this app like a stethoscope.

Output your sound through a Bluetooth headset or Bluetooth speaker.