Unlike traditional, circular earbuds, the design of the is defined by the geometry of the ear. Which makes them more comfortable for more people than any other earbud-style headphones. The speakers inside the have been engineered to maximize sound output and minimize sound loss, which means you get high-quality audio. The also include a built-in remote that lets you adjust the volume, control the playback of music and video, and answer or end calls with a pinch of the cord. The remote and mic are supported by all models of (not all models support volume up/down functions). Audio is supported by all models. Unlike traditional, circular earbuds, the design of the  is defined by the geometry of the ear. Which makes them more comfortable for more people than any other earbud-style headphones. The speakers inside the have been engineered to maximize sound output and minimize sound loss, which means you get high-quality audio. The  also include a built-in remote that lets you adjust the volume, control the playback of music and video, and answer or end calls with a pinch of the cord. The remote and mic are supported by all models  (not all models support volume up/down functions). Audio is supported by all  models.