CALLANY Call Center Telephone with Noise Cancellation Headset (HT500)

Yealink YHS36 Mono Telephone Headset with RJ9 Jack Phone Headset with Microphone Noise Canceling, Compatible Poly Snom Desk Landline Phones (2.1m Cable)

Phone Headset with Microphone Noise Cancelling & Volume Controls, 2.5mm Telephone Headset Compatible with Polycom Panasonic AT&T Vtech Uniden Office Cordless Phones, Clear Chat, Ultra Comfort,Binaural

MAIRDI Telephone Headset with RJ9 Jack & 3.5mm Connectors for Call Center Office Deskphone Cell Phone PC Laptop, Landline Phone Headset with Microphone Noise Canceling for Polycom Avaya Nortel

Yealink Phone Headsets for Office Phones YHS34 Lite QD to RJ9 Wired Headset Compatible with Poly Snom Grandstream Phones Desk Landline Headset with Microphone -Mono/72g/2.1m Cable