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.

Thankfully, I had a partner who saw that, and gifted me the heated Ember mug, and two years later, I can confidently say it was one of best gifts I've ever received. SEE ALSO: 32 Valentine's Day ...

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 ...

The Ember Mug 2 hides heaters in a stainless steel body to keep your drinks uniformly warm at any temperature you want — so long as that temperature is between 125 degrees to 145 degrees Fahrenheit.

Starbucks has a new way to keep your latte hot! They will soon begin carrying the Ember smart mug, an intelligent tumbler that can keep your beverage at a user-determined temperature. Follow Tech ...