MAXIMO iP-HS3 iMetal Isolation Headset for iPhone 3G/3GS, BlackBerry, and Smartphones Lightweight alloy metal headset for iPhone/3G/S, BlackBerry, and any smartphone with 3.5mm or 2.5mm jack Lightweight alloy metal headset for iPhone/3G/S, BlackBerry, and any smartphone with 3.5mm or 2.5mm jack Three sizes of eartips for optimal noise isolation and extended comfort High definition condenser mic and soft-touch button for call and music control Includes carrying pouch, two 2.5mm plug adapters, 3 sizes of eartips, 2-ft extension cable and shirt clip