The mic has been used couple of times in total, is in perfect condition, and comes with a leather case, clip, foam shield and the original box. The Shure® SM137 is a versatile, flat-response cardioid probe microphone with an ultra-thin diaphragm. Its frequency response combines smooth high-end and tight, controlled low-end. A 15 dB pad provides natural, consistent sound reproduction in acoustic and high-volume performance applications.