The black E6 Directional Earset Mic, Highest Gain, with Detachable 2mm Cable and Pigtail Leads Connector for Wireless Transmitters from Countryman is a vocal microphone with an adjustable boom that weighs less than one-tenth ounce. It can be used on either ear for capturing audio and rejecting unwanted sound, feedback, or surrounding noise from stage monitors or nearby speakers in houses of worship, theater, and outdoor vocal and speech applications.