Poly/Plantronics Spare Earloop for the Encorepro Convertibles HW530/HW540 Headsets - 88814-01
The Poly/Plantronics replacement ear loop # 88814-01 comes as a kit, including (1) small ear loop measuring 88mm and (1) large ear loop measuring 92mm.
For more information visit www.plantronics.com or call 800-399-3224.