Headset Button - Version 1.01 Switch tracks and FM channels via wired headset button.Headset Button application enables you to use wired headset button not only to answer phone calls. With Headset Button you can can switch tracks and FM channels, pause and resume playback, mute and unmute the sound while your device peacefully rests in its case or in your pocket. Just, press the wired headset button. And Headset Button does it for you!Three different kinds of presses are recognized: single, double and continuous (press&hold). Three different presses - hence, three different commands. Three different actions could be performed by media player or FM tuner when they are on.And, if phone call comes in, the wired headset button works as usual (as arranged by the manufacturer), giving you control over the phone.