Appliances Memorial Day SaleFree delivery. Ends 6/3. Terms apply.Shop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

No content
  • Angle. Ember - Temperature Control Smart Mug² - 10 oz - Black.
  • Left. Ember - Temperature Control Smart Mug² - 10 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. Off D0 DO Presets. Timer. Download on the App Store. GET 1 ON 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.
  • Beyond insulation: 10 oz capacity, 90 min battery, Smart LED indicator (50C - 62.5°C), ember Z 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 - TOO COLD: 120F - 100F - TOO COLD: 0 hr - 30 min - 1 hr - 1.5 hr
  • What's Included: 1. Ember Mug: 3.3 inches (83.2 mm) 2. Charging Coaster: 4.2 inches (106.7 mm) 3. Power Cable: 4.3 inches (109.2 mm) 4. 10 oz (295 ml) capacity 5. Weight: 14.5 oz (410 g)
  • At home or on-the-go Whether you want to make the most of your morning at home, or head out the door, there is an Ember Mug to suit your lifestyle.
  • 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 Mug² - 10 oz - Black

Model:
CM191000US
SKU:
6367424
Highly rated by customers for:
Loading...

Customer reviews

Rating 4.5 out of 5 stars with 1560 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 find value in the Temperature Control, Overall Performance, and Ease of Use of the Temperature Control Smart Mug² - 10 oz. The design and color are also appreciated by some customers. However, some customers have expressed concerns about the battery life and size of the mug. Other drawbacks mentioned include the price, connectivity, and capacity.

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 60 Showing 1,181-1,200 of 1,560 reviews
  • Pros mentioned:
    Temperature control

    Awesome

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

    Love it!!! This cup has changed the way I drink coffee!!!!!

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - Copper

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

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

  • Great present idea

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

    It holds a good charge and the app is very cool to use for adjusting the temperature

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    A little pricey but tech nerd hubby loves it!

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

    Husband is a tech nerd and absolutely loves this product!!!

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

      Hi Rileek, thanks for leaving another review! We’re glad to hear your husband has been enjoying his Ember! Ember

  • Pros mentioned:
    Temperature control

    Fantastic coffee mug

    |
    |
    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great mug. Keeps my coffee nice and hot for hours.

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

      Hi 64driver, thanks for leaving a review! We're glad 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

  • Pros mentioned:
    Temperature control

    awesome cut for all day Coffee drinkers!

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

    This cup is amazing and keep coffee warm all day to the desired temp!

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - White

    I would recommend this to a friend
  • Cons mentioned:
    Size

    10oz is not an optimized size.

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

    Wish to have bought the 14oz. 10oz is just too small.

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - Stainless Steel

    No, I would not 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.

    Love to keep coffee hot longer than 20 minutes! Best gift!

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

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

  • Pros mentioned:
    Overall performance

    Love it!

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It’s been 6 months and I still love it! Gifting one!

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - White

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

      Hi Mksenna, thanks for leaving a review! We're glad to hear you've been enjoying your Ember Mug so far and are excited to hear you'll be gifting a mug as well - thank you for your support! Ember

  • Cons mentioned:
    Price

    Mug

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

    This is a great mug. However, $135 is a bit overpriced.

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

      Hi SriP, thanks for taking the time to leave a review here! We're glad to hear you've been enjoying your Ember and appreciate your feedback as we continue to improve - if you have any questions or concerns, please let us know! Ember

  • Pros mentioned:
    Temperature control

    Sweet and Simple

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

    This is amazing! Keeps my drink warm for hours! Love it.

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - Copper

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

      Hi Kaye, thanks for leaving a review and sharing this! We’re glad to hear you’ve been enjoying your Ember! Ember

  • Great gift for dad

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

    Wonderful tech gadget , that any adult should have

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Works really well.

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

    This was a Mothers Day gift for my wife. She absolutely loves it!

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - White

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Mug

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

    Great product keeps coffee hot easy to use love this mug

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

      Hi Brad, thanks for leaving a review and sharing this with us! We’re glad to hear you’ve been enjoying your perfect temperature with your Ember Mug! Ember

  • Pros mentioned:
    Overall performance

    worth the money? if it makes him happy then yes.

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

    my husband LOVED this mug and its working fantastically!

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

      Hi there, thanks for taking the time to leave a review! We’re glad to hear your husband has been enjoying his Ember Mug! Ember

  • Pros mentioned:
    Temperature control

    Smart coffee mug

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

    Keeps my coffee the perfect temperature all day at work

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - Stainless Steel

    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 happy to hear you’ve been enjoying your perfect temperature while using your Ember, especially at work! If you have any questions, please let us know. Ember

  • Pros mentioned:
    Overall performance

    Product

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

    Great product and great service from Best Buy. Awesome.

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - Copper

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

      Hi there, thanks for leaving a review! We’re glad to hear you’ve been enjoying your Ember so far! Ember

  • Pros mentioned:
    Overall performance

    Great Product!

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

    I bought this for my boyfriend for his birthday and he loves it!

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - White

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great present for the wife

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

    Got this for the wife, and she's in love. A daily user.

    This review is from Ember - Temperature Control Smart Mug² - 10 oz - Gold

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

      Hi WillD, thanks for leaving a review! We’re glad to hear your wife has been enjoying her perfect temperature with her Ember Mug! Ember

  • Pros mentioned:
    Overall performance

    5 Stars

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

    Bought this as a gift for a coffee lover. They love it!

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

      Hi tFFL, thanks for leaving a review! We’re glad to hear the Ember was gifted and they've been enjoying their mug! Ember

  • 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.

    Works great and keeps my coffee warm all morning long.

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

      Hi KGilmore, thanks for leaving a review here! We're glad to hear you've been enjoying your coffee at your perfect temperature in your Ember Mug - thank you for your support! Ember

Page 60, Showing 1,181-1,200 of 1,560 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. © 2026 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.