Earbud headphones with JBL Pure Bass Sound. Lightweight, comfortable and compact Under the premium metalized housing, a pair of 12.5 mm drivers punch out some serious bass. ergonomically shaped earbuds ensure the listening experience remains comfortable for long-listening hours. Ergonomically shaped earbuds ensure the listening experience remains comfortable for long-listening hours. A single-button remote lets you control music playback, as well as answer calls on the fly with the built-in microphone