Save 31%: The 10-ounce Ember Mug 2 typically goes for $129.95, but as of Feb. 3, you can grab it for just $89.99 on Amazon, saving you $39.96. You and your loved ones deserve better than room ...

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.

Normally the 10oz version of the Ember Mug 2 would retail for $129 if you paid the full price. However, Amazon is still having its Cyber Monday sale and has discounted this mug down to $79.