Sennheiser PX 100 Collapsible Headphones (Electronics)By Sennheiser Buy new: $39.7927 used and new from $32.54 Customer Rating: 
Customer tags: headphones(226), sennheiser(146), portable headphones(111), foldable(84), ipod(70), portable(60), ipod accessories(59), audiophile(53), music(46), audio(10), mp3 player(9), collapsible(4)