Sennheiser SC 165 USB (508317) - Double-Sided (Binaural) Headset for Business Professionals | with HD Stereo Sound, Noise-Cancelling Microphone, USB Connector (Black)
Sennheiser USB-ED CC 01 MS Cable Adapter for Circle and Century (Circle SC 230, SC 260 & Century SC 630, SC 660), Skype for Business Certified Headset Solution
