Bose OE2i Audio Headphones - Black (Discontinued by Manufacturer) TriPort technology, available only from Bose, reproduces tonally balanced audio with deep low notes from lightweight, on-ear headphones. Bose acoustic equalization fine-tunes the frequency response of the headphones for exceptional audio performance. Inline three-button remote controls volume, track selection and voice applications on select Apple products, and switches between calls and music. Inline microphone allows for hands-free iPhone calling and access to certain voice applications, such as VoiceOver and VoiceControl. Soft, cushioned earcups rest gently on your ears, providing a smooth, natural audio experience and a comfortable fit.