YPA MM1-C4T Headset MIC for AUDIO TECHNICA Wireless Microphones BLACK High class back electret condenser microphone with Cable Clip and Foam Windshields Silicone padding at the earpiece, resistant to makeup, sweat and moisture High quality microphone capsule with omnidirectional polar pattern For vocal, speech, dance and sport applications, for instrumental artists and solo entertainers compatible with AUDIO TECHNICA Body-Pack Transmitter Models (Hirose 4 pin) : ATW-T27/T31/T51/T200/T210/T300/T310 and 1100/1400/2000/3000 series (Body-Pack Transmitter NOT included)