It will bring a whole new life to your music collection and be enjoying the same music youve listen to hundreds time with a fresh new experience, being able to clearly hear the vocals and individual instruments and depth - a concert feeling; not a confined claustrophobic, everything muffled together mess. It goes more than loud enough, has clear, crisp sound and is tiny. Están bien, pero vino sin la pinza I definitely recommend getting a pair for your HMD. As far as the discoloration goes, I cannot speak on that as it is new to me still. They are very hard with no cushion, however, somehow theyre still comfortable. I would suggest these to anyone wanting to put kayaks on their car, or is really tall. who knows?FIT: When I finally got in on the bike (Cannondale racing bike), my heels contacted the side shields with about every stroke. A refreshing change. 5 and the 9.