What iListen lacks is a headset microphone; you must provide your own.

The software packages come with headset microphones, and some people find them to work just fine.

Hamilton nodded eagerly, then began speaking orders into his headset microphone.

Shure's first headset microphone for stage use was created in 1991.

He spoke quietly into his headset microphone, then looked up.

During the show the three singers used headset microphones and were frequently well apart from each other.

He let out his breath when he heard the president begin to speak into the headset microphone.

"Our readout shows correct to four," he said into his headset microphone.

This particular package came with a headset microphone and required lengthy training.

Each player was equipped with a headset microphone, so when he spoke, you could hear their voices in the game.