Sennheiser PX 100 Collapsible Headphones (Electronics)By Sennheiser Buy new: $40.0229 used and new from $26.99 Customer Rating: 
Customer tags: headphones(229), sennheiser(148), portable headphones(112), foldable(84), ipod(71), portable(61), ipod accessories(60), audiophile(54), music(46), audio(11), mp3 player(9), collapsible(4)