I should start off by saying that I have a lot of experience with wireless headphones, and those were also Samsung plugs that were released two years ago. The noise reduction is good, but it is only necessary because the headphones do not fit snugly to the ear. I did not notice a noticeable difference in the sound. The previous version survived the voyage to Tai without recharging, while this version only had enough autonomy for a 4-hour flight (which is more than 9 hours). Their primary flaw is that they frequently fall out of the ears. They must be rectified while running, and because the sensor is extremely sensitive, you must quickly change the music because if a drop of water is still on them, the sensor will continue to be activated. The case appears to be excellent, but even after two months, I was still unable to adjust and frequently misplaced the headphones. The money was wasted, but I will still sell it on the Internet as used.
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