The BY-BM58 is dynamic capsule inside design, it doesn’t require power for operation, and there is only ONE button to turn on and go, a standard XLR to 6.35mm cable & mic amount are all you need to use with the microphone. Cardioid pickup pattern reduces unwanted sounds from the sides and rear The cardioid pickup pattern makes the BY-BM58 accurately collect audio source and reduces unwanted sound from the sides and rear. It is ideal for instrument performances, live presentations, man-on-the-street news, podcasting and more. The customized frequency response makes the microphone super sensitive for human voices, ideal for the use of live performances, theaters rehearsals, conferences, etc.