To Decrease Volume:
Double tap on the Multi-Function Touch Area of the left earbud.
Switch Between Gaming / Theatre / Balanced Modes:
Tap four times on the Multi-Function Touch Area of either earbud
To Answer Calls:
Single tap on the Multi-Function Touch Area of either earbud.
To Hang Up Calls:
Double tap on the Multi-Function Touch Area of either earbud.
To Decline Calls:
Tap and hold for 2 seconds on the Multi-Function Touch Area of either
earbud.
Call Voice Assistant:
Tap and hold for 2 seconds on the Multi-Function Touch Area of either
earbud.
One need not activate Environmental Noise Cancellation as the built-in mic
is already equipped with the same and activated by default to make your
conversations smoother and clear without any disturbances no matter how
noisy your environment is.