8 Functions You Probably Didn't Know About Your iPhone Headset, #7 Is Amazing
You can triple click the center button and then hold it to rewind a song.
You can also juggle multiple calls on it.
You can hang up a call if you press the center button on it once.
When the camera app is open, you can hit one of the volume buttons amd click a photo.
If you press and hold the center button for two seconds, Siri can get activated.
When you hold the center button for about two seconds, a second call can be ignored while you are on
When you click the center button three times, you can start a song over and even go back to the prev
If you double tap the center button, you can skip to the next song.