SENNHEISER IMPACT SC 260 USB MSIP-REM-SC9-SCUSB Headset Full Set | eBay
Fieldpiece SC260 Compact Clamp with TRUE RMS
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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