Use EarPods with iPhone
You can use EarPods (sold separately) to listen to music and videos and to make calls on iPhone. EarPods feature a microphone, volume buttons, and the center button.
Use the center button to answer and end calls, control audio and video playback, and use Siri, even when iPhone is locked.
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Control audio with your EarPods
Pause: Press the center button. Press again to resume playback.
Skip forward: Press the center button twice quickly.
Skip backward: Press the center button three times quickly.
Fast-forward: Press the center button twice quickly and hold.
Manage calls using your EarPods
Answer an incoming call: Press the center button.
End the current call: Press the center button.
Switch to an incoming or on-hold call, and put the current call on hold: Press the center button. Press again to switch back to the first call.
Ask Siri with your EarPods
Press and hold the center button until you hear a beep. Let go, then ask Siri to perform a task or answer your question. See Use Siri on iPhone.