3) Controls
a) Play/Pause: the music is being played, you can double-tap the left earphone (L)
or right earphone (R) to pause the music, or repeat the same operation
to play the music again.
b) Next/Previous track: Click the left earbud(L) 3 times to skip to previous song.
Click right earbud touch surface for 2 seconds for next track.
c) Volume up/down: Click the right earbud(R) once to increase the volume.
Click the left earbud(L) once to reduce the volume.
d) Answer/Hang up calls: Double-click the left earbud(L) or right earbud(R) to
answer/hang up the call
.
