Check the listing for details. Single Earhook Headset Mic fits Shure (TA4F) Wireless Microphone Body Packs. Condition: New. Listed at 19.95 USD. Black Single Earhook Headset Microphonewith TA4F mini 4 pin XLR Locking Connector-wired for ALL current Shure body pack transmitters Feature:-Professional vocal pickup condenser microphone -Black single earhook with rubber band, safely TA4F Mini XLR 4 Pin and 2 windscreens -Sweat and dust-Proof made primarily for indoor and outdoor professionals -Designed for use on stage, houses of worship, lecturers and other applications requiring minimum microphone visibility with hand-free operationSpecification:Element:Back Electret CondenserPolar Pattern:Omni-DirectionalFrequency Response:20Hz-20KHzSensitivity:-45dB±3dBMax. Input SPL:135dBOutput Impedance:2.0KΩ±30%Power Supply:1.5-10V DCDimension(mm):Ø5.0mm Compatible Transmitters:Plug: safely TA4F connector - Mini XLR 4 PinThe headset is compatible with SHURE Body Pack Transmitter Models: L1, LX1, SC1, U1, UC1, UT1, T1, ULX1, UR1, PG1, KCX, PGX, FP, BLX, SLX, GLX, GLX-D, ULX, QLX, QLX-D, ULXD and UHF-R