earphone 1.Use:Portable media player 2.Function:noise cancelling 3. ... ,Ipad, MP3, CD/DVD players with a 3.5mm headphone / earphone output jack.Unique Stereo fashionable design, Full, rich sound with distinct clarity ... gentle yet secure fit. EXCELLENT sound quality! Stereo sounds, blocks out outside noise,amplifies music, enhance bass tones. earphone for iPhone MP3