After the old headphones with the right ear forever falling off, I bought with caution, but here I have never encountered a similar problem in 4 months. Both ears are immediately connected and you can enjoy amazing stereo sound, by the way it depends a lot on the source. From one charge, 5 hours work, the case is not always needed as a charge, but on trains I was convinced a couple of times that it was convenient. The headphones are top-end for their money, they are also protected from moisture and dust, and there is also an antibacterial UV Nano function. In general, it's cool that even in the production of headphones they think about your health! Satisfied.
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