It's comfortable to wear and stays in the ear. The battery life is not very good. I think the battery will continue to work when you take the headphones out of the case. It is understood that the headphones can function independently or as a set. I couldn't get the right earbud to work at all. There's supposed to be an application that lets you customize the controls, but I don't see its name anywhere. When the headphones need to be charged, the volume will be reduced. After charging it in the case, the volume on the left earcup was perfect. Music sound quality is good. My husband had no hearing problems on the phone. The pairing process was easy. You just put the earbuds back in the charging case, which is great because you have one less thing to lose.
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