The loading screens can go on a little too long, that is really my only complaint and maybe the glitches, but usually those are more funny than annoying. They’re nice looking too BS. I wore them for my entire reception while dancing and mingling and barely sitting down, and they were so comfortable. É exclusivamente por pilha(já vem com pilha) ou colocando pilha recarregável posteriormente. But they are still very, very good. They are supposed to be shiny but there’s patches of matte areas. I bought these for work since I am in and out of homes all day and needed something I could easily take off and put back on. Wem jedoch egal ist ob er seine Sitznachbarn seinen Musikgeschmack aufdrängt ist sehr gut mit dem Kopfhörer bedient! Installation was very easy, and fit perfectly fine.