Microphone

FIG. 1 is a perspective view of a design of a microphone; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a top view thereof; FIG. 5 is a bottom view thereof; FIG. 6 is a left view thereof; and, FIG. 7 is a right view thereof. The dashed broken lines in the figures show portions of the microphone that form no part of the claimed design. The dot and dash line-shading depict contour of the surfaces of the microphone.