Pros: As everyone says: light, fit perfectly, do not press, good design. Personally, I have excellent sound on these ears and the quality of the microphone is excellent. High frequencies, very affordable and versatile ear tuning software. bag or connect to the phone via the adapter that comes with the kit) Its cons: The only drawback I encountered was when my usual drops broke, in which I ran, walked (in general, I was doing something active). pulling the wire, he moved away a little, but it is fixed (you just need to tighten the wire so that it does not stretch)