Addasound DN5000,Inline mute button for corded Plantronics QD compatible headsets AT&T Telephones Check compatibility if you are

Check compatibility if you are not certain to make sure they will work pn your desk phone make and model

Large (L) foam ear cushions

Enables easy call control with adjust volume

Compliant with the Memorandum on Collaboration issued by the Department of Defense

Addasound DN5000,Inline mute button for corded Plantronics QD compatible headsets AT&T Telephones Check compatibility if you areAddasound DN5000, Addasound to Addasound connector. (With inline mute) Plantronics QD compatible can use with any PLT QD headsets and cords You can add this inline mute switch in between the headset top and the headset bottom cord.