Amazon is selling the Ultimate Ears MetroFi 200v for just $29.99 shipped, originally priced at $99.99. It “has all the great features of the Metro.fi 200 but also features integrated voice functionality and is specifically designed for use with the iPhone.” Product page.
A miniature high performance microphone allows for hands free phone calls. An in-line multi-function button answers and ends calls and controls music/video on your iPhone. The Metro.fi 200v is small, lightweight, durable and delivers a balanced, full dynamic sound.