Letscom D39 Bedienungsanleitung Seite 16

Next song
Press the MFB button on the left or right earbud twice to skip
to the next song.
Play/pause playing songs
Press the MFB button to pause and press the MFB button
again to resume playing songs.
Answer/hang up/reject calls
● Press the MFB button or operate on your phone to answer
an incoming call.
● Press the MFB button or operate on your phone to hang up
an ongoing call.
● Press the MFB button twice to reject an incoming call.
Activate voice control of phone
In paired state, press and hold the MFB button for 2 seconds.
(This function works only when your phone has voice control
function; please refer to the instructions of your phone
for details.)
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