Been using it for more than a month and so far it's been working like a charm. Initially, the highs were decent, mids were great and lows were a little below average. Also, my ears hurt after 10 minutes. Then I realized I was wearing it wrong (silly me) and now the lows seem much better. It performs exactly as the cost would indicate and you cannot expect much more.For the people who complain about wire quality causing knots, I suggest you coil the wire by wrapping it around your index and little fingers in figure 8s and then twist the last bit of wire around the waist of the 8. Pretty much reduces if not eliminates the knots. 

Question: How is the quality sound on this device?
Answer: For the people who complain about wire quality