The sound is very pleased - very tasty, assertive and rich. Very tight and powerful bass, slightly accentuated, voluminous and clear high frequencies. The headphones have hybrid reinforcing speakers, and this makes itself felt - I have never heard better or at least comparable sound quality in wireless ears. In general, Sony handsome. The active noise cancellation system works very well in the subway. Even in noisy carriages with open windows, you can comfortably listen to music or watch movies without raising the volume to the maximum. There are no complaints about the quality of communication, they work stably even through a concrete wall from the source. I use headphones with a Samsung Galaxy Tab A 10.5 tablet and a Windows 10 home computer. In both cases, no complaints, they work perfectly. There is no audio delay when watching a video. The operating time is good, approximately as written - 10 hours. When you press the power button, the charge level is reported, in English. My conclusion is the best wireless earplugs on the market right now. Highly recommend.
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