be certain that the headset is pointing towards your mouth. it is possible to put on the Z9i on left or right ears. site 8 Swapping the Ear Gels The Z9i comes along with two measurements of Ear gels. The larger ear gel is ? tted to the device now. if you want to utilize the lesser ear gel in its place, please unscrew (anti-clockwise) the big ear bu… Read More