Prong Plug Voice Tube Corded Monaural Telephone Headset with a Plantronics QD cord
Poly | Noise-Cancelling Headsets | HP® Official Site
T110H Single Line Analog Phone - QD 10' Cable for H Series Tops - DISCONTINUED - Business Telecom Products
Plantronics 70765-01 2.5MM Coil Cord - 10 FT - QD to 2.5 Prong - Headset World USA
Plantronics HL 10 Handset Lifter A Comprehensive Guide for the Intermediate User
Amazon.com: Headset Replacement Cords for Plantronics H/HW Series, VXI P Series, Smith Corona P Series, Starkey PL Series to Direct Connect Them to The CIS 6900, 7900, 8900 Phones - Quantity of 10 : Electronics