Poly Plantronics Headset Replacement Cable, 10 ft Phone Cable for Phone, First End: 1 x 4-pin RJ-11, Second End: 1 x Proprietary, Black

Coiled cord connects any H-Series headset with a quick-disconnect plug to compatible Plantronics amplifiers or phones with compatible headset ports. Quick-disconnect feature lets you easily detach the cable when needed. Cord is designed for use with the Plantronics EncorePro, DuoPro and TriStar headsets.