About the buttons on the headphones: the controls are generally simple and clear, but when you press the button, they simply push in your ears and create discomfort, but these are my personal nit-picking. In general, the headphones are good, for such a price they cope with their direct task. Pros below: Sound - for such a price I expected less, but they pleasantly surprised, but there are drawbacks in this part. Noise isolation - perfectly fit to the ear, on the street you can hardly hear anything. The charge holds well: about more than 3 hours at a volume of 70-75% Quick connection to the phone. Distance of connection with the phone. I'll tell you about the buttons on the headphones in the comments. Has cons: The microphone, the interlocutor hears very poorly, regardless of the environment, whether it is outdoors or indoors. Periodically, it can disconnect from the phone or even lose contact with each other. Sound - compared to my previous headphones (Sennheiser CX 200) they sound much quieter. If you adjust the equalizer you can make them a little louder. And they also wheeze if you turn down / turn up the volume. Sometimes it happens that the sound just alternates while listening to music.
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