Element: Back Electret Condenser - Max.Input SPL: 130dB - Connector: Standard 3.5mm 1/4'' Adaptor.Polar Pattern: Uni-directional - Power Supply: DC 1.5V-10V - Color: Black.Frequency Response: 50Hz- 16KHz - Cable: 2 x 1.0M - Accessories: Windscreen,Clip.Sensitivity: -46dB± 3dB - Weight: 21g/18g.Output Impedance: 1k?± 30% - Dimension: 12.2mm The PLM3 is a wired Lavalier unidirectional mic. Record your voice in crystal-clear audio thanks to the unidirectional back electret condenser. Your voice has never sounded better. Includes a 3.5mm to ¼” adaptor, clip, and windscreen. One year warranty.