crwdns2933423:0crwdne2933423:0
crwdns2918538:0crwdne2918538:0

crwdns2934241:0crwdne2934241:0 bill

crwdns2934249:0crwdne2934249:0:

This is not a good question because it gives no history or info relative to when and what was tried to troubleshoot it.

Best guess is a broken lead wire, usually close to an end or connector connection.

Least likely is something internal to the headset unless the mike boom has been move a lot to extreme positions.

crwdns2915684:0crwdne2915684:0:

open