Amazon.com: Professional Double Ear Noise Canceling Microphone Call Center/Office Headset with U10 and USB Cable for Cisco 7931, 7940, 7960, 7961, 7962, 7970, 7971, 7975 or into PC or Softphone VIA USB Cable : Electronics
4 Easy Ways to Use a Headset Mic on a PC with One Jack - wikiHow