Year-End SaleEnds 1/1/26. Limited quantities. No rainchecks.

Skip to content
Main Content

Customer Ratings & Reviews

No content
  • Angle. Ember - Temperature Control Smart Mug² - 14 oz - Black.
  • Left. Ember - Temperature Control Smart Mug² - 14 oz - Black.
  • A smarter way to drink coffee. Experience the comfort of consistently hot coffee (or tea) at your chosen temperature. Simply, set your temperature down to the degree in the Ember app. 137°F. App includes: Personalized LED color options, Recipes and how-to guides, Tea timers and more. Download on the App Store or Google Play.
  • Design & Precision: Our award-winning design not only looks beautiful on your counter but precisely controls temperature like no other smart mug on the market. Ceramic Coating: Enjoy the pure taste of your coffee. Precision sensors detect liquid level and temperature. Ember:
  • Beyond insulation: 14 oz capacity, 80 min battery, Smart LED indicator (120F - 145F), Auto Sleep, Bluetooth when not in use, connection to app.
  • "Make it last ember: Keep your drink at the perfect temperature all day when placed on the charging coaster. Add a Sliding Lid (sold separately) and double your battery life."
  • Ember VS Others: Get to the perfect temperature faster and stay there longer with Ember's patented technology. It features all the benefits with none of the drawbacks. Ember Mug: - Normal Mug: 180F - Double Wall Vacuum Insulated Competitors: 160F - TOO HOT: 140F - Goldilocks Zone: The perfect drinking temperature (120F) - TOO COLD: 100F Time: 0 hr, 30 min, 1 hr, 1.5 hr
  • What's included: 1. Ember Mug: 3.46 inches (88.0 mm) 2. Charging Coaster: 4.60 inches (117.0 mm) 3. Power Cable: 4.5 inches (114.7 mm) 4. Ember Mug: 4.4 inches (112 mm) 5. Ember Mug: 70 inches (1778 mm)
  • At home or on-the-go, there is an Ember Mug to suit your lifestyle. Whether you want to make the most of your morning at home or head out the door, Ember Mug is designed to keep your beverages hot or cold for an extended period.
  • Give the gift of warmth. The perfect gift does exist. Whether they are a coffee connoisseur, a daily drinker, or a weekend warrior, they'll benefit from a superior beverage drinking experience - one they'll thank you for all year round. Ember.
  • School Study Sessions video 0 minutes 30 seconds
  • 3 Must-Have Best Buy Study Session Gadgets | Best Buy video 0 minutes 30 seconds

Ember - Temperature Control Smart Mug 2 - 14 oz - Black

Model:
CM191400US
SKU:
10851354
Your price for this item is $104.96
The comparable value price is $149.99

Customer reviews

Rating 4.5 out of 5 stars with 2287 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.2 out of 5 stars

  • Quality

    Rating 4.6 out of 5 stars

  • Ease of Use

    Rating 4.6 out of 5 stars

89%
would recommend
to a friend
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 77 Showing 1,521-1,540 of 2,287 reviews

  • Just WOW

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This gem is unbelievable! Keeps my coffee hot for over 2 hours!

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend

  • Great Gift

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This gem is unbelievable! Keeps my coffee hot for over 2 hours!

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - White

    I would recommend this to a friend

  • Perfect gift!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It was the best Christmas gift to my sisters as they drink alot of coffee. My only commet is that the price changed at least three times within two weeks. So keep an eye for it to match price.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Blue

    No, I would not recommend this to a friend

  • Hot Coffee all morning

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very expensive but working great so I far! App works great too.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend

  • Great mug.

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent mug. Keeps things as perfect temperature. Great app.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - White

    I would recommend this to a friend

  • Fancy

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Just a very cool thing to keep on desk. Very useful is shuffling between meetings and need a warm cup.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend

  • Heated cup

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It is a great product would recommend. The lid is a great addition.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - White

    I would recommend this to a friend

  • Nice mug!

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very happy to have the cup keep a steady temperature until I finish the coffee!

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend
    • Brand response from Ember, Inc.
      Posted .

      Hi frankwithyou, thanks for leaving a review! We're happy to hear you've been loving your Ember Mug and are enjoying your perfect temperature down to the last sip - if you have any questions or concerns, please let us know! Ember

  • Best cup ever

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love love love this cup!!! It keeps coffee warm and it is easy to clean.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - White

    I would recommend this to a friend
    • Brand response from Ember, Inc.
      Posted .

      Hi Nana, thanks for leaving a review! We're happy to hear you've been enjoying your Ember Mug - if you have any questions or concerns, please let us know! Ember

  • Great gift

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    That convenience to control the temperature with your phone without any issues throughout the day.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend

  • Great mug

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I really like this mug, keeps my coffee hot all morning. Easy to charge and set up.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend
    • Brand response from Ember, Inc.
      Posted .

      Hi there, thanks for leaving a review here! We're glad to hear you've been enjoying your Ember Mug so far - if you have any questions or concerns, please let us know! Ember

  • Really nice

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love it, it warms up pretty quickly, recommended for other people

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend
    • Brand response from Ember, Inc.
      Posted .

      Hi Stef, thanks for leaving a review! We appreciate your support and we are thrilled to hear you love your Ember! Ember

  • Great Coffee Mug

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great buy. Keeping tea/coffee warm til the end is priceless.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Blue

    I would recommend this to a friend

  • Ember Mug

    |
    |
    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great for those coffee drinkers that prefer to savor their morning drink

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend
    • Brand response from Ember, Inc.
      Posted .

      Hi Keaston, thanks for sharing this and leaving a review! We're happy to hear you've been able to take your time drinking coffee at your perfect temp in your Ember Mug - we appreciate your support! Ember

  • Nice

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Overall works as intended...avoids getting to heat in microwave

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - White

    I would recommend this to a friend

  • Cup

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice producr would recommend nice color, very useful

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - White

    I would recommend this to a friend

  • Ember cup

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love this cup does keep my coffee hot all day. Im a coffee head it does everything i need and very durable and water proof im so happy with it ..i highly recommended it

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Blue

    I would recommend this to a friend

  • Nice mug

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worked great. You can adjust the temp to what works best for you

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Black

    I would recommend this to a friend
    • Brand response from Ember, Inc.
      Posted .

      Hi there, thanks for sharing this with us! We appreciate your support and hope you continue to enjoy your Ember Mug - if you have questions or concerns, please feel free to reach out to us so we can help! Ember

  • Great Product

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product! Really keeps it warm! And totally easy to use.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - White

    I would recommend this to a friend
    • Brand response from Ember, Inc.
      Posted .

      Hi there, thanks for sharing this with us! We're glad to hear you've been enjoying coffee at your perfect temperature in your Ember Mug - if you have any questions or concerns, please let us know! Ember

  • Linda

    |
    |
    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love Love Love my Ember cup !!! use it daily . i am finally able to finish a FULL cup of coffee without running to the microwave to "REHEAT" For sure a Great Gift for anyone who likes hot beverages. Only wish is that i would love a faster recharge.

    This review is from Ember - Temperature Control Smart Mug 2 - 14 oz - Blue

    I would recommend this to a friend
Page 77, Showing 1,521-1,540 of 2,287 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2025 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.