Tested and working perfectly! Can test upon purchase. The legendary Shure SM58 vocal microphone is designed for professional vocal use in live performance, sound reinforcement, and studio recording. Its tailored vocal response for sound is a world standard for singing or speech. A highly effective, built-in spherical filter minimizes wind and breath "pop" noise. A unidirectional (cardioid) pickup pattern isolates the main sound source while minimizing unwanted background noise. Rugged construction, a proven shock-mount system, and a steel mesh grille ensure that even with rough handling, the SM58 will perform consistently, outdoors or indoor Frequency response tailored for vocals, with brightened midrange and bass rolloff 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 Frequency response: 50 to 15,000 Hz