The Shure Performance Gear PG30TQG is an electret cardioid condenser microphone for headworn use with a Shure wireless bodypack transmitter. It is comfortable, unobtrusive, and fits securely. The PG30TQG headset mic features a smooth, natural frequency response comparable to quality handheld microphones. Shure professional handsfree audio products deliver legendary sound quality, stage-proven durability and hassle-free setup for worry-free performance.