Significant Noise Reduction For Travel.Headphones:19.1 cm H x 15.2 cm W x 2.3 cm D (195.6 g). Connectivity Technology: WiredDeep, Powerful Sound For The Music You LoveInline Mic/remote For Music And Calls. Bose® Active EQ and TriPort® technology delivers true-to-life soundDesigned specifically for use with select iPod, iPhone and iPad modelsThese headphones are compatible with most Android, Windows and BlackBerry smartphonesRefer user manual below.