Blueant PUMP MINI User Manual page 6

FIt
There are multiple sizes of stabilizers and ear gels to ensure
you get the best fit.
Stabilizers are marked with an L for the left hand side and
an R for the right hand side.
To change the stabilizer slide the size you want over the
earpiece until it locks into place.
To change the ear gels, squeeze and push onto stem.
The best sound comes from the best fit
6