NEW YPA MM1-C4SE Headset MIC for SENNHEISER Wireless Microphone System 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 Plug: safely screwed 3.5 mm inside plus configuration for Sennheiser Evolution pocket transmitter series G1, G2 & freeport, EW100, EW300, EW500, SK1093