BOYA BY-MM1 + Microphone for Camera Smartphone PCTransducerElectret CondenserPolar patternCardioidFrequency Response35-18KHz +/-3dBSensitivity-42dB +/- 1dB / 0dB=1V/Pa, 1kHzSignal to Noise Ratio76dB SPLPlug3.5mm TRS and TRRS connectorDimensionsΦ22*81mmNet Weight86g/0.19 lbFeatures:1. Fit for Smartphone, DSLR Camera Camcorder and Recorder----- With 2 Cable ,One is TRRS one is TRS Cable ,the BY-MM1 compatible with iPhone HuaWei Samsung Smartphones,Canon Nikon Sony Panasonic DSLR Cameras and Most Recorders.2. No battery Required----Do not need the battery,Just use it directly with your iPhone smartphones or cameras.3. Compact and Light Weight----Only 86g/0.19lb,With a Portable Leather Bag ,You can take it anywhere.4. Frequency Response:35-18KHz +/-3dB; Sensitivity:-42dB +/- 1dB / 0dB=1V/Pa, 1kHz; Signal to Noise Ratio: 76dB SPL5. Rugged metal construction and anti-shock mount,which can effectively reduce unwanted vibration, cable and handling noise. Also included a furry windproof shieldmm1 plus Package contents:1*Furry windsheild1*BOYA BY-MM1 Microphone1*Shock mount1*3.5mm to TRS audio output cable(For cameras, camcorders, audio recorders and other audio/video recording devices.)1*3.5mm to TRRS audio output cable(For IOS and Android Smartphone, tablet or Mac)..