An curved arrow pointing right. Rejoice, coffee lovers. This high-tech Ember coffee mug claims it will keep your drink at the perfect temperature — down to the very last degree. Here's how it works.

Save $49.96: The stainless steel Ember Mug 2 is on sale at Best Buy for just $99.99 — a 33% discount on its original $149.95 price. This self-heating mug rarely goes on sale, and will be back up ...

A new lavender version of the popular temperature controlled smart mug by Ember will keep your coffee piping hot ...