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…And Consumers generally don’t care that it does or doesn’t have a ‘power button’. I can’t think of one person that says, ‘Gee, I hope it has a power button.’

Consumers are basing their purchase on comfort, price range and sound quality dynamics.
Let me rephrase, it has the ability to be turned off so your battery doesn’t run down completely before you need to use it.
 
Barely portable now. I miss the QC 35s since they folded into nothing when stowing away.
 
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