This neat device will allow you to use inexpensive computer type headsets with separate 3.5mm plugs for EAR and MIC. Using the electret mic element in the headset the audio for many inexpensive computer headsets is usually very good but does vary from headset to headset. Can be used with any electret type mic element.
Different models available for ICOM 8 pin round - ICOM 8 pin flat modular RJ-45 type-
We have had very good performance and comfort with the Yapster-TM-YP100 available from Walmart