Step 1
Remove your Plantronics C054 ear gel. If you’re unsure of the differences between the C054 and the C054A from Plantronics, check out this guide to avoid getting scammed. Replacement ear hook pack (3 ear hooks, 2 ear gels, 1 foam sleeve)
Step 2
Rotate your ear hook 90 degrees and you'll feel the ear hook unlock and now can be removed. If you're considering an upgrade, make sure to compare the C054A Plantronics vs C054 to make an informed choice. remove c054 ear hook.
Step 3
Line up the headband with your CS540 earpiece and install the headband. Replacement CS540 (C054) headband
Step 4
Rotate your CS540 earpiece microphone 90 degrees to be used on your left or right ear, whichever you prefer. Before you proceed, make sure you know whether you're using a C054 or C054A Plantronics, as this can affect your setup. *2 step Plantronics C054 battery replacement guide




























