Av-jefes Cm518h-sh4 Headband Headset Microphone Ta4f Connector for Shure Compact, lightweight headset with noise canceling Electret condeser with boom mounted microphone Compatible with Shure Body-Pack Transmitter Models: T1, ULX1, UR1, PG1, PGX1, PGXD1, SLX1, BLX1, BLXD1. (Not Compatible with Mipro, Peavey, Beyer wireless microphone system) Elastic Headband & Windscreen Included Cord Length: 5 ft