The BOYA BY-MM1 is a cardioid microphone.
Which specially design to improve the sound quality of videos on the basis of build-in microphones. With both TRS cable and TRRS output cable included, it can be used on Smartphones, cameras, camcorders, audio recorders, PCs, and other audio/video recording devices. BY-MM1 comes out in compact size and light-weight aluminum design, it will not be a heavy burden while shooting. Plug and play design, no need to worry the battery status. The included anti-shock mount effectively reduces unwanted vibration, cable and handling noise.
Transducer: Electret Condenser
Polar pattern: Cardioid
Frequency Response: 35-18KHz +/-3dB
Sensitivity: -42dB +/- 1dB / 0dB=1V/Pa，1kHz
Signal to Noise Ratio: 76dB SPL
Plug: 3.5mm TRS and TRRS connection