In the past month or so, we have had three headsets in the call center break. The connector between the earpiece and the headband is fragile plastic, and takes a beating when we remove the headbands frequently to re-cradle the earpiece.
Some of these headsets were quite old (5+ years?) and I think this is probably a design flaw. I have ordered 6 new headsets; most of these have arrived and a couple are still on their way.
I will be evaluating some alternative headsets to see if we can get something a bit tougher. For now, please be gentle with the headsets, particularly when you are removing the earpiece from the headband.