The sound is at the level of my wired Sony MDR-XB50AP. The sound is loud. The speakers easily give out bass and high without choking and without creating "mess". The noise canceling mode works great, but if you listen to music loudly, then you don't need it. There are no problems in use, for example, on a laptop with Bluetooth 4.1, except for the first pairing. It helps to reboot the headphones (hold down the power button for 9 seconds). Pairing with a smartphone can be done by connecting them via Type-C (the connector is hidden in the headphones themselves, i. E. without any charging wires). For Huawei owners, I recommend downloading the AI Life app. There you will know the exact amount of remaining charge and receive firmware ates for your headphones. When connected to a smartphone with Bluetooth 5.0, the range is impressive. Copes with a distance of ~6 meters, through 3 walls. And the impression of the sound, much more than when connected to 4.1. Design and assembly deserve special praise. Fixing the ear pads inside the ear canal does not allow the headphones to easily jump out, I think they are suitable for sports. As a result, I liked the headphones very much, maybe their cost is a bit overpriced, but I think it will pay off with their build quality and service life (3 years are declared).
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