JK MIC-J 044 Lavalier Lapel Clip On Omni-directional Condenser Microphone Compatible with Computer Voip Skype Laptop Voice Amplifier (Mono 3.5mm Plug) Sweat and Dust-Proof Made Primarily for Indoor and Outdoor Activities Professional Vocal Pickup, Pristine Audio Quality, Omni-directional Condenser Microphone 1/8" TS Mono Plug Compatible with Recording Devices, Laptops, Voice Amplifiers, Desktops, etc Sweat and Dust-Proof, Made Primarily for Indoor and Outdoor Activities Professional Vocal Pickup, Pristine Audio Quality, Omni-directional Condenser Microphone 1/8&#034; TS Mono Plug Compatible with Recording Devices, Laptops, Voice Amplifiers, Desktops, etc Designed for Broadcasters, TV Presenters, Lecturers, Musicians, Actors, Singers, Performers and Any Other Applications Requiring Minimum Microphone Visibility with Hands-free Operation Polar pattern: Omni-directional Mic diameter: 6.0*5.0mm Sensitivity: - 44db2db SNR: &gt;63db Wire: 1.1m 2pcs of windscreens Frequency Range: 20-20KHZ Output Impedance: 2200 ohms Standard Operation Voltage: 2.0V-10V.DC