Sennheiser CX Plus Instruction Manual page 26

Using the earbuds
26 | CX Plus True Wireless
Playing/pausing music
▷
Tap the touch control panel of the right earbud 1x.
Right touch control panel Function
Tap 1x
Playing the previous track
▷
Tap the touch control panel of the left earbud 2x.
Left touch control panel
Tap 2x
Playing the next track
▷
Tap the touch control panel of the right earbud 2x.
Right touch control panel
Tap 2x
Plays or pauses music
2 x
Function
Plays the previous track in the playlist
2 x R
Function
Plays the next track in the playlist
L