Since the original nor an earphone works we could start a direct comparison. And the sound quality and dynamics of the presented product is not enough approach manner to fit the originals.
In addition, the volume on both your left and right earphones is different.
The microphone works, however, the remote control also. This must be said for the sake of fairness.
But when a headset is now times the sound quality that counts. We have returned the product as soon as possible, and are now in the retail stores on site, and test the headphones before buying.