A camera according to the present invention has a housing that has a first hole and a second hole, a microphone, a loudspeaker, and a waterproof sheet that covers the microphone and the loudspeaker, and allows air-vibration to be transmitted. The microphone is arranged in the housing, in accordance with a position of the first hole. The loudspeaker is arranged in the housing, in accordance with a position of the second hole. The loudspeaker and the microphone are adjacent to each other, and the waterproof sheet is constructed as one-piece sheet.