SHG S M500 NC Monaural Headset with Passive Noise Canceling Mic (Cable sold separately.)

 Product Features and Benefits: TAA and 889/NDAA compliant. Compliant with the Memorandum on Collaboration issued by the Department of Defense. Lightweight and durable. Connects to all major desk phones with compatible cables.  Connects to all major softphones with available USB connecting cables.  Fully articulating microphone boom.  Passive noise canceling microphone.  Monaural (one ear) wearing style.  Leatherette cushion type.  SHG QD (Quick Disconnect) connectivity.  Compatible with all phones (additional cable required).  Includes the following accessories:  clothing clip, wall mount, and nylon carrying case.  Two-year manufacturer’s warranty.