Shure MX153C/O-TQG Omnidirectional earset headworn microphone is a wired lavalier electret condenser microphones designed for speech and vocal pickup, general purpose sound reinforcement, recording, and remote monitoring applications. They can be clipped to neckties, lapels, and other articles of clothing. Interchangeable cartridges make it possible to easily reconfigure microphone coverage as the need arises.Kevlar-reinforced soft flex cable. Comma Shield technology guards against interference from cellular RF devices and digital Body pack transmitters. Ultra-lightweight, comfortable, flexible design is stable and easy to place over either ear. Terminated with TQG / TA4F connector for direct connectivity to Shure wireless body pack transmitters. Subminiature omnidirectional cartridge offers superior clarity and enhanced plosive protection with no proximity effect.