With more than one microphone, multiple singers can try out "harmonies, " a feature that distinguishes "The Beatles: Rock Band" from its predecessors.

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They have a gyroscope, compass, microphone and multiple radio devices for communications.

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Equipped with a built in microphone, hands free phone conversations and multiple listener conference calls have never been easier.

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Its compact footprint features a full size QWERTY keyboard accompanied by built-in speakers, a microphone, and two USB ports for charging multiple devices simultaneously.

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To capture the highest quality audio, Tiki uses front-and-back facing microphone capsules that actively locate your orientation to the mic for use with multiple speakers or as you move around the room.

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