Amazon.com: Mono Call Center Headset Headphone with Mic for Cisco Unified Telephone IP Phones 7940 7941 7942 7945 7960 7961 7962 7965 7970 and Plantronics M10 MX10 Vista Modular Adapters : Electronics
Plantronics CS540 DECT-Headset 84693-02 NEW
GTW Poly SAVI 8220 Office DECT Stereo Bluetooth Headset System, Teams Certified Version, Compatible with RingCentral, 8x8, Zoom, Vonage, PC/Mac (207326-01)
Poly CS540 Wireless Headset System 84693-01 B&H Photo Video