Sony - Extra Bass Over-the-Ear Headphones

Hi i just wanna know peoples opinions on these headphones. I have no knowledge of headphones and its specifications whatsoever. All comments are much appreciated, thanks.

http://www.sonystyle.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langId=-1&productId=8198552921665774410

i know im not the best opinion but if you are as much of a bass freak as i am they seem like ok headphones