1. Software support for Android.
I have not an apple and I do not want too. there is little reasons and for free-thinking people a lot about it. However, most devices Apple support most reliable, so even with this. An app with battery indicator is only available for iOS. But that's not all.
All my Android devices tolerate the start / stop button only to pause playback, then go into standby and must be run directly on the device again.
2. The ear cover is now starting to wobble a bit in. You seem to full length glued but on one side it has come loose and shifts. Not a problem, let's see what may come as ...
From my 4 out of 5 because:
Meets all requirements with good to very good but it's still a significant step ...