... music, pause, a, under a3, built-in free plug the speaker can be: to listen to music ... click the control key; Stopplaying--and then click; Play a fast-according to the two; To return ... phone, the concert bytelephone a machine hands-free play)C, hands-free phone--call, don't take phone, click ... the control key tohands-free telephoneD, the receiver answer the call-calls, picked ...