Find out more what makes the Signal 21 Speaker Mic from Code Red Headsets is one of the favourite things of Jonathan Higgs in this Airsoftology video... "This time it's a bit different, Jonathan's looking at an item that he's had at every game he's attended for the past 3 years; the Code Red Headsets Signal 21 Speaker Mic... and he's sharing why this piece of kit is one of his favorite things."