Last Chance 48-Hour Flash SaleEnds Dec. 24. Limited quantities.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

No content
  • Angle. Ember - Temperature Control Smart Mug² - 14 oz - Blue.
  • Left. Ember - Temperature Control Smart Mug² - 14 oz - Blue.
  • 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.

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

Model:
CM191409US
SKU:
6471969
Highly rated by customers for:
Your price for this item is $89.99
Clearance
The comparable value price is $149.99

Customer reviews

Rating 4.5 out of 5 stars with 2286 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.1 out of 5 stars

  • Quality

    Rating 4.6 out of 5 stars

  • Ease of Use

    Rating 4.6 out of 5 stars

Pros mentioned filter

Cons mentioned filter

89%would recommend to a friend

Customers are saying

Customers often highlight the Temperature Control Smart Mug 2 for its temperature control, ease of use, size, color, and sleek design. However, some customers have expressed concerns regarding battery life and price. Others have reported issues with the app and connectivity. Additionally, some customers have mentioned the high cost of replacement charging coasters.

This summary was generated by AI based on customer reviews.

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 76 Showing 1,501-1,520 of 2,286 reviews
  • Pros mentioned:
    Temperature control

    Great idea

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

    My wife loves tea. My wife loves gadgets. Boom, perfect Xmas gift. Keeps her hot tea HOT.

    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 and sharing this! We’re glad to hear your wife has been enjoying her perfect temperature with her new Ember Mug! If you have any questions or concerns, please feel free to reach out to us. Ember

  • Pros mentioned:
    Temperature control

    Warm and cozy

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

    It’s works great at keeping my coffee at the best temp for drinking.

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

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    Yes pls!

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

    Nice cup keeps coffee hot yes pls!!!!!worthy purchase

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

    I would recommend this to a friend

  • Busy life? You need this.

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

    This is the fourth mug I bought, one for me and the rest are gifts. I have the original one. I think the battery life on the newer ones are certainly much better! Best thing ever for a busy life!

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    Happy Coffee

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

    Heats up the wifes coffee to her desire. Happy wife happy life

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

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    Hot coffee

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

    Love this mug!!! Keeps my coffee at a desired temp while I drink it!

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

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    Great way to keep my coffee hot!

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

    This works great to keep my coffee at the temperature that I like.

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    Love it

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

    This is the best thing ever love that I can drink my morning coffee and it says warm

    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 Cgreenwell, thank you for leaving a review! We're happy to hear you've been able to take your time drinking your perfect temp with your Ember Mug - we appreciate your support! Ember

  • Pros mentioned:
    Ease of use

    Good cup

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

    Cup is great. Love the style and ease of use. Buy one.

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

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    Mug

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

    Best purchase in recent times, keeps my coffee warm for hours(I leave it on the coaster)!

    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 so much for sharing! We're happy to hear you've been loving your Ember and enjoying your perfect temperature! If you have any questions, please let us know. Ember

  • Pros mentioned:
    Ease of use

    Easy to use

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

    Very cool product and doesn’t need much configuration . Easy to use

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

      Hi there, thank you 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

  • Pros mentioned:
    Temperature control

    Hot for long

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

    Great cup of coffee, perfect look and keeps everything hot.

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    Great Mug for Coffee or Tea

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

    This mug is great at holding temperature for any hot beverages.

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    No more nuked coffee

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

    Worth the money. My wife constantly had to re-warm her coffee every morning. NO MORE!

    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 Mullen, thanks for leaving a review! We’re glad to hear your wife has been enjoying her Ember every morning! Ember

  • Pros mentioned:
    Temperature control

    Ember

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

    Perfect gift for my roommate; shes going to love it for christmas

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    Love this cup

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

    Perfect for the slow coffee drinker. Keeps my coffee super hot

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

    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.

    No, I would not recommend this to a friend
  • Pros mentioned:
    Temperature control

    Hot coffee!

    |
    |
    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    2nd Ember - love having hot coffee to the last sip.

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    great product

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

    Love it. Works great and keeps my coffee hot. Looks nice too.

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

    I would recommend this to a friend
  • Pros mentioned:
    Temperature control

    HOT COFFEE

    |
    |
    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!

    I would recommend this to a friend
Page 76, Showing 1,501-1,520 of 2,286 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.