Plantronics Y training cord with mute switch (part #27019-03) for use with H-series and P-series Plantronics headsets; allows two headsets to function off one connector cable or amplifier base. Also referred to as a supervisor's adapter cord, it allows supervisor or trainer to listen to a call and jump in as needed. Comes with in-line mute switch. Quick Disconnect attaches to two Plantronics H-series headsets
or two Polaris headsets
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