Jabra Elite 4 Active User Manual page 24

7.9 Mono earbud mode
The right or left earbud can be used individually
for music playback or for calls. To activate
mono earbud mode, place the unused earbud
into the charging case.
Left button Left earbud only
Play/pause
music
Answer call
End/reject call
Mute/unmute
microphone
Activate Voice
assistant or
one-touch
Spotify
playback
Adjust volume
Press the Left button
when listening to
music
Press the Left button
Double-press the
Left button
Press the Left button
when on a call
Double-press the Left
button when not on
a call
Use the volume
controls on the paired
mobile device
24