The ornamental design for a sterilizer for microphone, as shown and described.
FIG. 1 is a front, top, right side perspective view of a sterilizer for microphone;
FIG. 2 is a rear, bottom, left side perspective view of the sterilizer for microphone;
FIG. 3 is a front elevational view of the sterilizer for microphone;
FIG. 4 is a rear elevational view of the sterilizer for microphone;
FIG. 5 is a top plan view of the sterilizer for microphone;
FIG. 6 is a bottom plan view of the sterilizer for microphone;
FIG. 7 is a right side elevational view of the sterilizer for microphone;
FIG. 8 is a left side elevational view of the sterilizer for microphone;
FIG. 9 is an enlarged sectional view of the sterilizer for microphone taken along line 9-9 of FIG. 3;
FIG. 10 is a reference view of the sterilizer for microphone showing a state in which direction of the bracket is changed;
FIG. 11 is a reference view of the sterilizer for microphone showing a state of use; and,
FIG. 12 is a reference right side elevational view of the sterilizer for microphone showing a state in which the shade and the bracket are detached.
The dot-dot dash lines depicting the bracket and microphones in FIG. 11 represent environmental subject matter and form no part of the claimed design; and the evenly broken lines in the drawings illustrate portions of the sterilizer for microphone that form no part of the claimed design.