The Seller included a wonderful note with instructions along with warranty information and when I made contact with them via email, they quickly responded! Treble is pretty smooth with some splash and not sibilant or harsh. Comfortable and adjustable, noise canceling, good quality, would strongly recommend. It would help to have a native English speaker write the instructions. 2020:Mir sind die Kopfhörer am Wochenende kaputt gegangen. We already know what an incredible game it is. Turn on wifi extender4. 5)Faults due to wear and tear and force majeure. As you can see, it holds everything I need. Aber der hört Sie nur sehr dumpf und bei Bluetooth auch mit Nachhall.