Tune out the world & tune in to your music. The MZX106W has perfect fit for your ears, & your lifestyle delivering high-quality sound performance designed for everyday wear. Features Superior sound with enhanced deep bass Snug Fit design for extreme comfort blocks out exterior sound Electric styling Sliding cable adjuster 6-Piece Fit Kit with Silicone tips for any ear (small, medium, large) MP3 player, iphone & iPod compatible (Music only)