Check JustMyVoice (EAH-AZ80/EAH-AZ60M2)

You can check the voice transmitted to the other party when you use the earphones to talk.
1.
In the home screen of the [Technics Audio Connect] app, tap [JustMyVoice test].
2.
Tap [Next].
3.
Confirm that JustMyVoice is [ON].
4.
Tap [START] and talk.
Your will hear the voice (your voice) transmitted to the other party with a delay of about 2 seconds.
5.
When you are finished checking, tap [STOP].