Features: omni directional condenser microphone. High-Quality mic is ideal for video use. Includes: lapel clip, foam windscreen, usb adapter for gopro. Easy to use. Specifications: transducer:Electret condenser polar pattern :Omni-Directional frequency range: 35Hz ~ 18Khz signal/Noise: 74Db spl sensitivity: -30Db +/-3Db / 0Db=1V/Pa, 1Khz connector:3.5Mm plug, mini usb plug cable length: microphone : 1.2M (47 inch) mic adapter: 11Cm(4.3 inch) weight: microphone :17G micadapter: 9G