noun
microphone flag; mic flag
A cube or box-shaped attachment placed over a microphone, often bearing a station logo or call sign, used in broadcasting and interviews.
テレビのインタビューで、レポーターはマイクフラッグを手に持っていた。
During the TV interview, the reporter held a microphone flag in hand.
あの放送局のマイクフラッグには局のロゴが入っている。
That station's microphone flag has the station logo on it.