Earbud headsets look much like the earbud headphones you use to listen to your favorite portable music player, except they include an in-line microphone.
While not as compact as the earbud style, they typically provide better voice reception.
Retractable headsets are available in both earbud and boom style, except here, the cord can retract to avoid tangling.
There are variations that are earbud style, similar to a set of iPod headphones.
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