In general, if you purchase a silicone case, then you can solve the problem of scratches and there will be some pluses. When talking on the phone, the good voice of the interlocutor is heard clearly, but the interlocutor, however, will not always be able to speak to you. You will also have to turn off noise reduction in conversations, because then the interlocutor may stop hearing you well at all, but if only you listen, the sound will be excellent. There is also an application through which you can monitor the charge level of the headphones and the case, as well as adjust the level of noise reduction, but in fact, you will most likely open it to the maximum to check whether you need another charge and no more. There is little functionality.
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