Universal USB Office & Call Centre Binaural Headset | Noice Cancelling Mic
JPL 502S PB Professional Binaural Corded Headset with Quick Disconnect System and Surround Shield Noise Cancelling Microphone – Black : Amazon.co.uk: Electronics & Photo
JPL Mid-level USB Monaural/ Binaural Headset w/ Noise-canceling Mic & – Global Communication