Comme quoi, j'ai cherché partout sauf sur leur site...
"Q: Where can I get replacement parts for my headset?
A: Please contact our support and they will help you.
Q: I accidently broke some part of my headset.
A: Improper usage is not covered by the manufacture warranty. Please contact our support and they will give you an estimation of the repair costs."
Si quelqu'un se posait la même question, la voila résolue !
Merci Bistoubishi ;)