Amazon.com: Sennheiser SC 260 USB MS II (506483) - Single-Sided Business Headset | For Skype for Business, Softphone, and PC | with HD Sound, Noise-Cancelling Microphone (Black) : Everything Else
EPOS/SENNHEISER Impact SC 260 USB Stereo Wired On-Ear 1000517
Amazon.com: Sennheiser SC 260 USB MS II (506483) - Single-Sided Business Headset | For Skype for Business, Softphone, and PC | with HD Sound, Noise-Cancelling Microphone (Black) : Everything Else