Use the middle button to control your music and calls:
To:
Do This:
Answer or end a call
Click the middle button once.
Decline an incoming call
Hold down the middle button for about 2 seconds, then
release the button. You will hear 2 beeps to confirm
that you have declined the call.
Use call waiting
Click the middle button once to put the current call on
hold and switch to an incoming or held call.
Play or pause a song or
video
Click the middle button once. Click again to resume.
Skip to the next track
Double click the middle button.