What Is The Difference Between Ember Mug 1 And 2?

Whats the difference between Ember 1 and 2? I bought one for my wife a couple Christmases ago, and she loved it (while admittedly getting a little over-caffeinated). The new mugs all have a longer battery life than previous versions , so the Travel Mug 2 will keep beverages hot for 3 hours, the 10 … Read more