Sennheiser SC 165 USB (508317) - Double-Sided (Binaural) Headset for Business Professionals | with HD Stereo Sound, Noise-Cancelling Microphone, & USB Connector (Black) : Amazon.co.uk: Everything Else
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Sennheiser SC165 Headset- USB and 3.5mm jack connectivity| Onedirect.co.uk
Sennheiser SC 165 USB (508317) - Double-Sided (Binaural) Headset for Business Professionals | with HD Stereo Sound, Noise-Cancelling Microphone, & USB Connector (Black) : Amazon.co.uk: Everything Else