Well, I find it difficult to name them an alternative. There is, a little more expensive, wi-c400, with better autonomy and convenience, but it is problematic to throw them into a small pocket because of the "collar". There are meizu with aptx, but they with the same wi-c400, and are less autonomous, besides, there is a lot of marriage. And Sony, according to my observations, has almost no marriage, and the headphones themselves are extremely tenacious. All in all, great ears for music at a folk price. It is strange that there are so few reviews and information about them in general. . A month and a half later, the right ear wheezed, ped under warranty. Apparently, I praised them by marriage. :(
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