Switching the mic on/off (mute)
During a call, tap the touch sensor of the right or left earphone, and then press again for approximately 5 seconds.
Each you operate it and the mode of the mic switches on/off (mute) with a notification sound from the earphones.
![Ope 1tapp5s LR C630W](fig/Ope 1tapp5s LR C630W_OBAOILwxvluwff.png)