I've had my Band since Christmas and it shows zero signs of wear except for slight pitting of the metal around the charger.
I clean the area around the charger with 70% alcohol. It's actually better than the >90% as an anti microbial.
I don't buy acidic sweat or diet causing rubber issue. I'd bet more on constant cleaning and/or overly flexing the straps to put it on your wrist.
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The timing of this subject strikes me as odd. It makes me wonder if there was a bad batch.
I just managed to deal out a rma MS customer support via chat (thank you John!). It wasn't that easy as I live in Germany and the Band isn't distributed here (bought for me by a friend of mine who traveled to Detroit in April).
First, it seemed to be a fail because of "out of region purchase" but I insisted....
Reason? Plastic foil on batteries was flaking off and metallic surface surrounding the charging plug bubbling.
Getting replacement.
The rubber on my batteries is mostly gone now. It does only seem to be cosmetic though and I haven't noticed a degradation of function.
What about comfort level? Any irritation while wearing it?
What about comfort level? Any irritation while wearing it?
Just got mine replaced for the same things - corrosion of the metal parts, and the rubber flaking off around the batteries. I'm 100% sure the same thing will happen again, as I don't do anything out of the ordinary with it, just wear it every day and run a couple of times a week.
I think this is more than a batch issue, and more like one of a design and materials problem. My original Band got into the poor state it was in in less than three months (I bought it in the UK on release day here). Will keep an eye on this new one, but I don't hold out much hope. In the UK at least, we get a year's warranty, so if the new one has the same issues, it'll go back again.
Having said all that, it is a great device, IMO.