Plantronics Voyager 815 User Manual page 9

CHOOSE aN Ear bud THaT fITS
When the ear bud fits properly, it should be sealed in your ear so that you
feel a slight amount of resistance when you remove the headset from
your ear.
1. Remove the headset from your ear.
.
Gently twist the ear bud while pulling it off the speaker post.
. Press a different ear bud onto the speaker post with the stem side of the ear
bud facing downward.
Plantronics Voyager 815