I do not know where else they can be improved, but apparently there is no limit to perfection. I am a fan of the model, I think I will buy the MX5 when they come out. Its pros: - The best noise reduction (real, not for show). In the plane, everything is jammed so that I wake up when I land; - The quality of plastic and eco-leather is at its best, it feels like it was made by aliens; - Excellent touch control (improved compared to MX3); - A great feature when you can start talking and the transparent mode turns on so that I can communicate with those who surround me or someone turned to me; - If you remove the headphones, the music playing in them is paused, very convenient. You dress back and play further (this was not the case in MX3); Cons below: There is a software failure (hanging several times). In general, this did not cause any special problems, restarted and everything is fine;
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