Apple ipod

I wonder what the headphones are better quality.?

Altec Lansing high fidelity SnugFit / noise isolation ear to isolate Cancellation / Cancelling Headphones / Headphones / Earphones / Headset w/2.5 mm adapter for your Plug/Microphne/3.5mm MP3/iPod/iPhone/Cell or Shure E2c Earphones noise insulation.

Altec-Lansing

Why Noise Canceling Earbuds with Etymotic