Pro Lavalier Lapel Microphone JK MIC-J 016 Unidirectional Condenser Microphone for Shure Wireless Transmitter Sweat and Dust-Proof Made Primarily for Indoor and Outdoor Activities Professional Vocal Pickup, Pristine Audio Quality, Uni-directional Condenser Microphone Mini XLR TA4F Connector Compatible With Shure GLXD1, PGX1, SC1, SLX, U1, ULX1, ULXD1, UR1, UR1M, UT1, QLXD1 / TOA WM4300 / Line 6 XD-V70L Wireless Microphone System Designed for Broadcasters, TV Presenters, Lecturers, Musicians, Actors, Singers, and Any Other Applications Requiring Minimum Microphone Visibility with Hands-free Operation Sweat and Dust-Proof, Made Primarily for Indoor and Outdoor Activities Professional Vocal Pickup, Pristine Audio Quality, Uni-directional Condenser Microphone Mini XLR TA4F Connector Compatible With Shure GLXD1, PGX1, SC1, SLX, U1, ULX1, ULXD1, UR1, UR1M, UT1, QLXD1 / TOA WM4300 / Line 6 XD-V70L Wireless Microphone System Designed for Broadcasters, TV Presenters, Lecturers, Musicians, Actors, Singers, Performers and Any Other Applications Requiring Minimum Microphone Visibility with Hands-free Operation Polar pattern: Uni-directional Mic diameter: 6.5*5.0mm Sensitivity: - 47db2db SNR: &gt;63db Wire: 1.1m 2pcs of windscreens Frequency Range: 20-20KHZ Output Impedance: 680 ohms Standard Operation Voltage: 2.0V-10V.DC