Brand New AERIAL7 SUMO AMP MP3 Earbud Headphones with In-Line Microphone Features: Engineered to deliver the highest-quality listening experience from your Apple iPod®®, iPhone®, BlackBerry®, or other mp3 player, cell phone or music device. Built-in microphone for use with iPhone®, BlackBerry® and other mobile phones. Includes 3 different ear gel sizes.