Quality is good, as expected. Different brands. like the replaceable battery. These were comfortable when I was hiking in to the river. When you use the included screws, make sure that they will not penetrate through the other side of your door. Charges iPhone 11 Pro (with case) and AirPods flawlessly. Some winter boots from other brands would not even go over his foot. I had this pair for only 15 days and on the 10th day I think the left ear went almost silent, and then on day 14 the right ear didnt put out anything at all. (I ordered the one with elephants. Took away one star for effort it took to put together with no instructions.