Mute or unmute the microphone on your headphones or earphones in the Beats app for Android
On some Beats headphones and earphones, you can set the number of multifunction button (MFB) presses to mute/unmute your microphone during a phone call.
In the Beats app for Android, tap , then tap My Beats to display the device screen.
Scroll down, tap Mute & Unmute, then select an action:
Press Once: Mutes or unmutes the microphone when you press the MFB one time.
Press Twice: Mutes or unmutes the microphone when you press the MFB two times.