Plantronics HW261N Binaural Headset
Plantronics headset - Wideband audio for more natural sound with wideband telephones - The highest level of performance for wideband VoIPmunications - Premium audio ensures quality customermunications - Comfortable design even for intensive all-day use - Over-the-headfortable design for all-day use - Binaural stylePLHW261
Must be used with a Plantronics USB-to-headset adapter or headset amplifier (not included).
Plantronics "QD" 4-pin quick connect/disconnect.