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. Outdoors or indoors, singing or speech — the SM58 is the overwhelming choice of professionals. This is the SM58S, which adds an on/off switch.

Dynamic Vocal Microphone with Cardioid Pickup Pattern and 50Hz-15kHz Frequency Response, Includes Stand Adapter, and Zippered Carrying Case

Frequency response tailored for vocals, with brightened midrange and bass roll-off
Uniform cardioid pickup pattern isolates the main sound source and minimizes background noise
Pneumatic shock-mount system cuts down handling noise
Effective, built-in spherical wind and pop filter
Supplied with break-resistant stand adapter which rotates 180 degrees
Legendary Shure quality, ruggedness and reliability
Cardioid (unidirectional) dynamic
On/Off Switch

Shure SM58S Cardioid Dynamic Vocal Microphone with On/Off Switch