Heaps of headset microphones are designed for use only with wireless microphone systems.
This is one of them!
Dynamic, cardioid mic with a frequency range of 50 – 15,000 Hz, tailored for the spoken word.
TA4F Jack version:
This WH20TQG has a TAF4 (minature 4-pin female) as the connector – wired to perfectly suit any genuine SHURE wireless bodypack.