Just a few weeks ago, I wrote about the technological marvel that is the Ember Mug, a self-heating mug that makes an excellent gift to yourself or loved ones.

As of Feb. 3, you can grab the 10-ounce Ember Mug 2 for $89.99, down nearly $40 from its $129.95 list price. I will acknowledge that even on sale, you're paying nearly $100 for a mug. However ...

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In fact, it ends tonight at 10 PM Pacific. Another thing to remember is that this discount only applies to the Black and White color versions. I actually purchased my Ember Mug 2 discounted ...

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.

Save $49.96: The stainless steel Ember Mug 2 is on sale at Best Buy for just $ ... This mug does only hold 10 ounces of liquid though, so you likely won't need more than an hour a half to finish ...

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 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 ...

The deal I previously covered brought the 10-ounce Ember Mug 2 down to $89.99 from $129.95, but as of Feb. 24, Best Buy and Amazon upped the ante. Both retailers have the 14-ounce mug down to $89. ...