The EarSet should always be used with a protective cap in place to keep sweat, makeup and other foreign material out of the microphone. The microphone is specifically designed for use with a cap in place. The cap determines your EarSet's pickup pattern. The Countryman Directional EarSet comes with both caps in the matching color. Additional hypercardioid caps may be purchased individually; please specify color. Features: The hypercardioid cap provides the best isolation from all directions, with...