The Shure Microflex MX153 is a professional subminiature earset microphone ideal for speech and other applications requiring low-profile discreet placement where improved gain before feedback over lavalier microphones is desired. Delivering exceptional speech clarity, the MX153 is ideal for corporate presentations, houses of worship, A/V conferencing and live sound reinforcement. See moreKevlar-reinforced soft flex cable. Form Factor : Headworn. CommShield 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.