Sennheiser SC 260 USB Dual Sided USB Headset - Black As Is 615104181137 | eBay
Shop | EPOS I SENNHEISER IMPACT SC 260 USB MS II - headset
ADAPT 260 Enjoy flexible connectivity and great audio
Shop | EPOS I SENNHEISER IMPACT SC 260 USB MS II - headset
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