Summary: I have been through several sets of earphones in my life and I will say that for the money these have really good sound. They fit comfortably in the ear and they do block most of the external noise.
Summary: These are solid headphones that work with the Generation 1 iPhone. They block 90% of background noise. My only complaint is that what I use them outside jogging or roller blading they block the noise so well that I can hear the vibrations of my feet hitting the ground.