The Ember Mug 2 keeps drinks at an ideal temperature of your choice. Alerts for preferred drink temps are sent to your iPhone or Android device through the Ember app. It's a pricey gadget but ...

Save $60: The 14-ounce Ember Mug deal is on sale for $89.99 at Best Buy and Amazon as of Feb. 24. In total, that's a 40% ...

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 ...