In terms of ease of use, everything is great. Various cases of using the headset have been thought out. Includes a handy case, AUX (about a meter long), an adapter for an airplane jack and a type-c / USB-A charging cable. They connect to the phone without problems, you just need to install the application. Unfortunately, I did not try to make friends with the headset with PS4. But I hope that Aunt Sonya made friends with her products) I did not look for information on the Internet about their relationship to each other - let it be a surprise) It's strange that when describing headphones, I almost don't talk about sound. Sound, in general, is quite subjective. I rate these headphones only from the point of view of the layman. I did not measure any frequency response) It sounds weighty, solid. There were no expectations as a result of "false hopes" from the headset, so it did not disappoint, but pleasantly surprised. Well and without problems made friends with p30 pro. It is worth noting that in the presence of some kind of third-party radio interference, glitches sometimes occur during playback, but tfu tfu is rare) Separately, it is worth noting the price. Snatched at a wild discount. For a full-price headset, of course, I would not take it. ate. Aunt Sonya did not make friends with her devices. The fourth curling iron sees the headset but cannot connect (((it says "device is not supported". Moreover, if you click on the device a second time, it will ask you to enter a code on the device, which for obvious reasons is not clear how to do it . In general, the questions were not answered (((