Plantronics Encore Pro HW520 Corded Duo Headset | Nortel, Polycom, Cisco, Mitel, Avaya, ShoreTel and other business phones | Requires Adapter | 89434-01
Blackwire 5200 Series - USB Headset | Poly, formerly Plantronics & Polycom
Amazon.com: Poly Voyager Legend Wireless Headset (Plantronics) - Single-Ear Bluetooth w/Noise-Canceling Mic - Voice Controls - Mute & Volume Buttons - Ergonomic Design -Connect to Mobile/Tablet via Bluetooth -FFP : Electronics
Plantronics Blackwire 3320 - Wired, Dual-ear (stereo) Headset With Boom Mic - Pc, Mac Or Cell Phone - Works With Teams (certified), Zoom & More : Target
Plantronics CS540 Wireless Headset with Lifter P/N 84693-11
Plantronics M22 Telephone Headset Amplifier and Audio Enhancer with In-Line controls for Mute, Volume, Microphone and Speaker settings - 43596-40