A self-heating mug is a great idea, but for $150, Ember's third-generation flagship is a tough sell. Weiterlesen: The Ember Mug 3 is brimming with potential, but it leaves a bitter taste
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The Ember Mug 3 is brimming with potential, but it leaves a bitter taste
A self-heating mug is a great idea, but for $150, Ember's third-generation flagship is a tough sell