The winning bidder will enjoy high-quality, stable in-ear headphones engineered and developed by the most respected name in sound. Bose in-ear headphones are the only in-ear headphones with the rich audio and comfortable design you've come to expect from Bose. Only Bose headphones feature TriPort acoustic headphone structure. This exclusive technology developed after years of research helps deliver the full range of audible frequencies in small, lightweight headphones. You hear the deep lows of your music, the warm mid tones and shimmering highs. Whatever your musical tastes, Bose in-ear headphones faithfully reproduce the subtle nuances and powerful choruses, across the spectrum of human hearing, and are engineered specifically for portable audio devices like MP3 players, and CD and DVD players.