Key Features of BOYA MM1 microphone:Compact on-camera microphoneCompatible with smartphones, DSLRs, Consumer Camcorders, PCs etc.Rugged metal constructionNo battery requiredProfessional furry windshield includedPolar pattern: CardioidFrequency Response: 35-18KHz +/-3dBSensitivity: -42dB +/- 1dB / 0dB=1V/Pa，1kHzSignal to Noise Ratio: 76dB SPLPlug: 3.5mm TRS and TRRS connectionDimensions: Φ22*81mmNet Weight: 86gBrand:BOYAStyle:Gooseneck MicrophonePacking:YesModel Number:BY-MM1Communication:wiredSet the Type of:Single MicrophoneTransducer:Condenser microphoneUsage:Conference microphoneUsage:For PC, tablet, IOS Smartphone, Mac, Camera, Camcorder, Audio RecorderPolar pattern:CardioidTransducer:Electret CondenserSensitivity:-42dB +/- 1dB / 0dB = 1V / Pa, 1kHzPlug:3.5mm TRS and TRRS connectorRobust construction in metalNo battery requiredProfessional hairy breeze included