It's hard to say by the duration of the work . I charge it every two days. Since these are my first wireless headphones, I have a very vague feeling . the sound seems to be nothing, but glitches spoil everything. I will try more expensive options. Its pros: They sit well on my head, they don’t press me even with 2-3 hours of listening every day. Sound quality when not buggy for the money is normal. I bought for 2022 on the stock. Conveniently fold up. Got cons: I guess I'm so "lucky", but very often buggy (it loses the phone even a meter away from it and the sound with terrible distortion. I tried it on several phones and the player and +/- on everyone like that . it is advisable to carry the source in your left pocket and so as not to block the hand .
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