Fit for your life, BeatsX earphones are the perfect wireless companion. Note: To control phone calls, use the center button on the RemoteTalk cable: Press once to answer or end a call. Press once to answer a second incoming call and put the first call on hold. When two calls are active, this switches between calls. Press and hold for about a second to reject an incoming call. Press twice to stop listening through your earphones and send the call to the phone.