If I could listen before buying, I wouldn't buy it. Even the Viper4Android FX can't significantly improve the sound in these headphones, let alone the numerous 6-band equalizers. Has some pros Quality performance. After getting used to and developing muscle memory, they become comfortable. There is track management. There is a transparent mode. You can use one earphone, right. Cons below: The sound is mediocre for such a price, the detail is weak, hellish porridge at the top, a lot of mids and the overtone of a plastic bucket, from which nothing can get rid of. Low frequencies play honestly, but somehow far and loudly, unpleasantly, there is no dense bass. At a volume of ~ 70%, the battery lasts for about 3 hours. The right earpiece is connected to the phone, if you carry the phone in the left pocket of your jeans, the sound stutters at times, especially if the jacket covers the pocket. The largest ear pads from the kit barely fit into the charging box and turn inside out when you pull the headphones out of the box.
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