It gives you specific exercises to use. In fact, I purchased these for my son’s piano practice. rayban ar Other than that, it works fine. It is awesome. rayban ar I couldnt sleep & my ear hurt all the time. rayban ar Its more inconvenient having this leather case on than not having it on. If youre buying them for Powerbeats Pro replacement eartips, do not buy them. So I get them and right away I can feel they are too small. rayban ar The velcro closures could be a little more sturdy. The sound quality is perfect.
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