Since the maker markets the headphones for athletic use, I decided to use them while working out at the gym. They did not fit very well)) Poor active noise isolation does not eliminate the noise of the gym, including background music, the sound of iron being lifted, and the "shouts and groans" of jocks using simulators. The same Sony WF-1000XM3 muffles the sound, but to a far greater extent. These headphones have a battery life of a maximum of two and a half to two and a half hours; in order to use them at the gym, you will need to "recharge" them first. If you use a "average battery," the headphones will shut off after one hour of being idle. The headphones can be charged to a limited extent by the case, which is sufficient for approximately one full charge of the headphones. They have a maximum charge reserve of five hours when the case is taken into consideration. These headphones were most likely designed to be used "while running;" nonetheless, it is strongly recommended that you limit your workouts to no more than two and a half to three hours in length. They have a minor dampening effect on low-frequency noises, so if you're out for a run and a garbage truck drives by, you won't hear it as loudly as you would if there was no noise insulation at all. There is no doubt that the headphones are good in this regard, particularly in terms of their design, build quality, and the ease with which they may be used. Because of the ergonomic design, they have a deeper seating position than most TWS earbuds, and as a result, they stay securely in the ears (for me, for sure). Because the lines of the case are so smooth, you won't accidentally rub against anything. It is very probable that I will purchase an updated model of the same design if the company develops one that has better noise isolation and longer operating duration. In the year 2022, there are a lot of other choices that are much more appealing to me than this one.
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