Premium Increased Dynamic Range Earphones with tapLINE II & mic, control play, pause, adjust volume, skip tracks, navigate playlists and activate the Voice Over feature to hear the name of the song and artist - record voice memos on the iPhone 3GS, iPod touch (Gen 2), iPod nano (Gen 4), iPod classic (120 GB) - oversized 11mm IDR driver deliver brilliant highs, silky smooth mids and powerful bass. Single and dual flanged silicone inserts provide unparalleled noise isolation and comfort. 24K gold plated 3.5mm audio jack ensures a flawless connection