*flexible fit, sound-isolating *bass-driven sound *in-ear, ... apply to MP3/MP4/computer/iphone DT-11 earphones with in-ear earphones for iphone*Feature: Metallic earbuds ... the purest voice; capture high and low frequency with clear separation. The human voice and accompaniment are not ... balance, well-analysis, stereo. The timbre is natural, clear; you can enjoy the original music, or all kinds ...