A microphone includes an outer wall member having a sound hole, a first mesh arranged inside the outer wall member and made of Dutch weave, and a spacer having a diameter corresponding to an inner diameter of the outer wall member. The first mesh is pressed to an inside the outer wall member while a first surface of which is in contact with the first mesh. A second mesh is in contact with a second surface of the spacer and has water repellency. A microphone unit is stored under the second mesh.