Do
not buy Sennheiser headphones from any Asian county on ebay. Those sellers are notorious for having fake audio equipment, especially fake sennheisers.
I cannot recommend you a headphone, just warn you not to use ebay to buy audio equipment from Asian countries, expecially when it's low price.
Sources...
Source 1
Source 2
Source 3
It goes on and on, just look up fake sennheisers from ebay in your preferred search engine.