Shure SM58 Cardioid Dynamic Vocal Microphone with On/Off Switch is tuned to accentuate the warmth and clarity of lead and back-up vocals — and it's consistently the first choice of performers around the globe. The SM58 also features a highly effective built-in, spherical filter, which minimizes wind and breath "pop" noise, while its cardioid pickup pattern helps to isolate the main sound source, while minimizing unwanted background noise.