EPOS | Sennheiser - IMPACT 600 Series - Binaural on the ear / 3.5mm audio jack / USB-A | Teams devices
IMPACT 600 Serie | cmp-net.com
Amazon.com: Sennheiser Consumer Audio SC 660 USB ML (504553) - Double-Sided Business Headset | For Skype for Business | with HD Sound, Ultra Noise-Cancelling Microphone, & USB Connector (Black) : Electronics