http://www.head-fi.org/u/371254/bhazard !  Your post on Chinese brand headphones is phenomenal:   http://www.head-fi.org/t/684159/chinese-asian-brand-info-thread-headphones-iems-amps-dacs    Recommended (but potentially expensive) reading to anyone with a Taobao account :) 

@Arnej Gold ones are 2.0, they have vents whereas the 1.0 SIlver ones were closed. I havent tried the 1.0 Silver ones but as I understand they have made significant improvements to the sound quality.

Ivo001: I haven't used the original headphones, sorry!   The mic is located between the volume controls, you can see it here:  http://mcaf.ee/67gha

I live in China and have built up a collection of mostly local brand headphones:  Astrotec AM90 and AM800, Soundmagic E10, Ecci PR200, Dunu Hades, several different DIY Yuins and (Korean manufactured) Feels Pro 900.   I ordered the Xiaomi earphones recently without much expectations - the brand...