Charged up iPhone 8, XS, and 12 pro with no problem. I ultimately returned this, but not due to any problem or failure of the product. Check your WiFi routers manual for details on how to do that. Llego muy rápido, son muy cómodos y fácil de emparejar tengo solo un día con ellos (2 nov 2020) si algo cambia les diré Seeing the adapter gave me a hint that this headphones is for studio use. Set up easy. The only slight thing I could moan about would be my ears getting hot after a couple of hours, but if I take them off, then put them on again, then its fine. A lot of other reviews stated how big the baya clogs were, so I was worried they wouldnt work. Not to mention the paper quality of this book. Noise canceling turns itself on and off.