Once you get the headset communicating with the handset, you simply flip the mike open to use it.

FORBES: Magazine Article

In the world of comedy, if you are absolutely determined to stand on a stage for five minutes with a mike in your hand, someone in London will let you do it, if only once.

NEWYORKER: Dead Man Laughing

Mr. MIKE VOISIN (CEO, Motivatit Seafoods, Houma, Louisiana): It's good to be with you, Liane.

NPR: One Employer's View of Guest-Worker Plan