Sennheiser PX 100 Collapsible Headphones (Electronics)By Sennheiser Buy new: $49.95 Customer Rating: 
Customer tags: headphones(249), sennheiser(166), portable headphones(126), foldable(97), ipod(78), ipod accessories(68), portable(68), audiophile(58), music(52), audio(13), mp3 player(9), collapsible(4)