Amazon.com: Sennheiser SD PRO2 - Deskphone Cordless Headset with NEC EHS Adapter | Compatible Phones: Digital NEC Phones DT3xx and DT4xx, IP Phones DT7xx and DT8xx* (i-SIP/N-SIP) : Office Products
EPOS Headsets
Amazon.com: Sennheiser X320 Headset Compatible With Xbox 360 (Renewed) : Video Games
Sennheiser GSP 370 Over-Ear Wireless Gaming Headset, Low-Latency Bluetooth,Noise-Cancelling Mic, Flip-to-Mute, Audio Presets - PC, Mac, Windows, and PS4 Compatible - Black - Sniper Games
Amazon.com : Sennheiser SD PRO1 ML Wireless Headset - PC & Desk Phone - MS Teams, Skype for Business, Lync, Compatible with Voice & Video Computer Apps - Zoom, Meet, Webex, Business
Sennheiser HMD 26-II - Professional Headset - TV Headset, Radio Headset, Broadcast Applications
Plantronics, Chameleon, Jabra & Sennheiser Headsets. Smith Corona Compatible Headsets.