Earphones with Remote and Mic

1번 짧게 -  play&pause

2번 짧게 -  next song

3번 짧게 -  previous song

2번짧게누르후 떼지않기 - FF

3번짧게누르후 떼지않기 - Rev

1번 길~게 - 음성조절

<참조>
http://store.apple.com/us/product/MB770G/A?mco=MTI4NzgwNjQ
http://blog.naver.com/jumptree1029?Redirect=Log&logNo=98257421