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.

You’re able to adjust it to the exact perfect temperature down to a specific degree. Personally, I set mine at 130 degrees F. The customizable Ember Temperature Control Smart Mug for $150 has ...

Save $30: Ring in December with endless hot cups of coffee and tea. The Ember Mug 2 is on sale for just $99.99 at Best Buy, for a 23% markdown of its usual list price as of Dec. 1. It's December ...