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Ember Temperature Control Smart Mug 2, 14 Oz, App-Controlled Heated Coffee Mug with 80 Min Battery Life and Improved Design, White

4.2 out of 5 stars 18,447 ratings
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Color: White
Size: 14 oz
Color White
Material Stainless Steel
Brand Ember
Product Dimensions 4.5"L x 3.46"W x 4.6"H
Power Source Battery Powered

About this item

  • Perfect Temperature Everytime: Ember Mug 2 offers up to 80 minutes of heat (120°F to 145°F) or all-day warmth on its charging coaster. Ideal for keeping drinks at the perfect temperature, perfect for desk use or as a thoughtful gift.
  • Smart or Standalone: Use the Ember app to set precise temperatures and get notifications. Without the app, the mug defaults to 135°F and remembers the last setting for a consistent experience.
  • Auto Sleep & Sensors: The mug wakes up when hot liquid is poured and goes to sleep based on motion detection. Features like auto sleep and memory ensure your drink is always at the right temperature.
  • Hand Wash Safe: Ember Mug 2 is hand wash only with a scratch-resistant coating. Fully submersible up to 1 meter, it’s easy to clean and perfect for any hot drink. Do not place in the dishwasher.
  • Smart LED Indicator: The LED lights up to show when your drink is at the perfect temperature, making it easy to know when your beverage is ready.
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Product information

Item Weight 0.88 Pounds
Capacity 414 Milliliters
Voltage 240 Volts
Wattage 7.2 watts
Maximum Temperature 145 Degrees Fahrenheit
Lower Temperature Rating 1.2E+2 Degrees Fahrenheit
Upper Temperature Rating 145 Degrees Fahrenheit
UPC 810011401136 810011401266
Global Trade Identification Number 00810011401136
Manufacturer Ember
Product Dimensions 4.5 x 3.46 x 4.6 inches
Item Weight 14 ounces
ASIN B08D3XPCZR
Item model number CM191402US
Batteries 1 Lithium Ion batteries required.
Customer Reviews
4.2 out of 5 stars 18,447 ratings

4.2 out of 5 stars
Best Sellers Rank #4,788 in Home & Kitchen (See Top 100 in Home & Kitchen)
#7 in Tea & Espresso Beverage Warmers
Date First Available July 16, 2020

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Ember Temperature Control Smart Mug 2, 14 Oz, App-Controlled Heated Coffee Mug with 80 Min Battery Life and Improved Design, White

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User Guide (PDF)

Top Brand: Ember

Highly Rated
10K+ customers rate items from this brand highly
Trending
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Customer reviews

4.2 out of 5 stars
18,447 global ratings

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Customers say

Customers praise the mug's ability to keep beverages at 145 degrees and appreciate its quality, with one noting it's better than a plain ceramic mug. The functionality and build quality receive mixed feedback - while some say it works well and has solid construction, others report it stops working after 80 minutes and has a short lifespan. Moreover, the battery life and value for money are significant concerns, with customers noting it only lasts about an hour and doesn't justify its price.

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1,539 customers mention "Coffee temperature"1,173 positive366 negative

Customers appreciate that the mug keeps beverages at the perfect temperature, maintaining 145 degrees and piping hot, with the ability to set desired temperatures.

"...easily get distracted with emails and I love how this mug keeps my coffee the perfect temp even if I get distracted with work...." Read more

"...While on the charger, it will heat up your beverage to HOT rather quickly. While off of the charger it takes way too long to do so...." Read more

"...setup use very easy just charge your mug and download the app to set your preferred temperature...." Read more

"...If you’ve poured a cup that is hotter than 145 the temperature will gradually lower, accurately displayed on your phone or tablet screen if you care..." Read more

623 customers mention "Quality"547 positive76 negative

Customers find the mug to be of good quality, with one customer noting it's better than a plain ceramic mug, and another mentioning it's perfect for enjoying really good coffee.

"...months (Originally 3 star), I have to reduce its rating... The mug itself is great, works well, and does what it says...." Read more

"This is the most excellent Coffee mug. Definitely get the larger one...." Read more

"...So all said, Great mug ... but not Perfect. And yes, for the record ... app still kinda stinks...." Read more

"...First use was perfect in all respects." Read more

798 customers mention "Functionality"507 positive291 negative

Customers have mixed experiences with the mug's functionality, with some saying it works well while others report that the new app does not work properly.

"...to reduce its rating... The mug itself is great, works well, and does what it says. It keeps my drinks at the temperature I set it to...." Read more

"...10+ Min on average to reach your preferred temperature, the mug works on 110/220v if you need to travel...." Read more

"...In short, the cup did not function at all, it was burned up. But, I requested a replacement and it arrived a few days later...." Read more

"...As long as this thing keeps working reliably, as I pray that it will, I will regret the high price less and less as the months go by...." Read more

405 customers mention "Build quality"173 positive232 negative

Customers have mixed opinions about the mug's construction, with some praising its solid build while others report durability issues with the coatings.

"...edges are too squared off, the shape isn't made for human hands being so thin, and because the mug is so bottom heavy it takes these minute design..." Read more

"...bottom and the overall weight are matched well with how I like a sturdy, yet thin walled design...." Read more

"...Many reviewers have said the coatings aren't durable, I 100% disagree. They are scrubbing or stirring hard. or using one of those frothing wands...." Read more

"...So in summary: -The mug is absolutely great, so far it's held up fine, with no chips/scratches...." Read more

582 customers mention "Value for money"135 positive447 negative

Customers find the mug overpriced, particularly noting that the charger plates are unreasonably expensive.

"...I hope the charger doesn’t die completely. Crazy expensive, but Ember uses induction heating to break the 125° barrier...." Read more

"...BUT DOES IT SOLVE THE COLD COFFEE PROBLEM? Ember is expensive. For that price, it should ensure I never have cold coffee again...." Read more

"Okay let's be dead honest hear okay? Yes, it's a stupid expensive COFFEE MUG. But oh my god, I love drinking from this thing." Read more

"...EXCELLENT PRODUCT - worth the money!" Read more

384 customers mention "Battery life"74 positive310 negative

Customers report significant issues with the mug's battery life, noting that it only lasts about 45 minutes and stops working within 56 days of purchase.

"...I will say, the battery doesn't last too long if you're not keeping it on the coaster, but since I primarily got this for an office it's not a deal..." Read more

"...2- The battery percentage decreases rapidly after a full charge until it reaches 3%, where it remains for a long time...." Read more

"...The battery has degraded relatively quickly with heavy use and no longer lasts more than 20-30 minutes off of the coaster...." Read more

"...The battery really only lasts about an hour and some change...." Read more

As described, but...
4 out of 5 stars
As described, but...
(April 11, 2024) So far so good. Have used most days of the week for the last 2 weeks and it is working exactly as described. Pros: The app is easy to use and has a lot of nice features. I like the customization option for the front light and that it shows the battery life. The cup itself is very easy to clean by hand, no staining at all if it sits unrinsed overnight. It will stay at a default temp of 135 F° if you don't use the app or don't have your phone (which isn't as warm as it sounds depending on the drink, but it is a very intuitive feature). Neutral: The cup will stay charged for 90 minutes without the charging plate which is good for someone who is at a desk, but not practical for on the go. However if you are drinking coffee, the flavor is best within 2 hours of brewing. Con: Only downside is when it's off it's not very self insulating. Your drink goes cold fast like a regular mug. You have to keep it on to keep your beverage warm. Also, the lid was an add on. For the price you'd expect it to include the lid. Overall giving 4 stars right now and will update after longer use. *** (UPDATE July 12, 2024) Took about an hour to get the temperature up to the hottest setting today (the fire symbol). For reference: the battery is at 77% and I always keep it on the charging plate while heating up or until just before it reaches a full charge. I've only had this mug since March and it shouldn't be this fickle after only a few months of use. Will report back here again if anything else changes.
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Top reviews from the United States

  • Emily
    5.0 out of 5 stars Cozy Mornings!
    Reviewed in the United States on March 15, 2025
    Color: CopperSize: 14 ozVerified Purchase
    I love this mug. I work in a home office and easily get distracted with emails and I love how this mug keeps my coffee the perfect temp even if I get distracted with work. I will say, the battery doesn't last too long if you're not keeping it on the coaster, but since I primarily got this for an office it's not a deal breaker for me. If it's away from the coaster, it may only stay warm for around an hour, which is still a help in my opinion. Connecting the mug with the app every day is slightly annoying but not a big deal. I thought it would just stay connected after the first time but when I don't open the app and pair it every morning it doesn't get hot, only takes like 5 seconds though. Always room for improvement but overall I really like the mug. I've heard mixed reviews on the durability, so I'm curious how it will hold up over time, I also bought the protection plan just in case, but so far so good.
    3 people found this helpful
    Helpful
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  • Karnelldhy
    5.0 out of 5 stars Worth it but too tiny
    Reviewed in the United States on February 3, 2025
    Color: WhiteSize: 10 ozVerified Purchase
    This product is quite impressive. While on the charger it will keep your beverage HOT all day. Off of the charger it keeps it HOT for 1 hr. While on the charger, it will heat up your beverage to HOT rather quickly. While off of the charger it takes way too long to do so. The product itself is amazing and I really recommend it for everyone who takes their time drinking and enjoying tea or coffee. I got this for my wife for Christmas because she constantly has to microwave her coffee because we have 5 children … but mainly because the 19 month old is demanding lol. I just regret getting a 10oz. I didn’t realize how tiny 10oz is because I assumed most mugs are 8oz. Wrong! lol. I am exchanging this for the 14oz. With the 10oz, once you put the coffee there’s hardly room for creamer and sugar (when it comes to a real coffee drinker). I gave it 5 stars because the product works excellently. The app is very impressive and fun (to me). I love to watch on the app how the T° of the coffee goes down immediately after pouring in creamer. I love it.
    You can customize the color code of the light on the mug and name the mug in the app. You can also set the T° you want your beverage to be going forward (set it and forget it). It’s awesome. I watched a YouTube video about the mug and the review said they don’t think it’s worth the $ although the product worked really well. That’s kind of an oxymoron. I think you’re getting what you pay for and in a good way. Your beverage literally stays HOT or (if you want) warm until the very last drop. I don’t often drink coffee or even tea, but when I do it’s Dos Equis lol jk… when’s I do I can’t stand where the last few sips are cold. I want to get one for myself except I hardly drink tea or coffee, just to show you how great the product is. I think the 10oz is too tiny. 10oz might not be as necessary to be in the size of a tech mug since it’s not much to begin with and can be finished rather quickly (although my wife still appreciates it in her lifestyle). For the real tea and coffee drinkers out there I highly recommend this product, but the largest versions.
    6 people found this helpful
    Helpful
     Report
  • BalancedLife
    5.0 out of 5 stars Fantastic product
    Reviewed in the United States on January 6, 2025
    Color: BlackSize: 14 ozVerified Purchase
    The Ember, 14 oz coffee cup is exactly what I was hoping for. I have used it for a week, and it has performed as I would expect. I get roughly 1 1/2 hours of hot coffee in the morning, which fits my life style - I am retired, so I have more leisurely time in morning. I keep the charging base next to the coffee pot and since they are both black, they look great. The design of the coffee mugs is excellent. The fit and feel are just right. The rubberized bottom and the overall weight are matched well with how I like a sturdy, yet thin walled design. The freedom of not having to have the charging base act as a warming plate is joyous. Once I finish, I just rinse, towel dry, and place back on charging station. In the afternoon, I switch to tea, with an occasional single cup of coffee and the EMBER is ready to go. It take’s approximately 2 1/2 hours to recharge and I have not found that to be an issue. The APP is simple and for those who like playing with the temp, is useful. The good news is that if you don’t want to use the APP, the product is completely seamless. The indicator light bar is almost unnoticeable (that is good) and switches from green (charged) to white when in use, to warm red when needing to be recharged. EXCELLENT PRODUCT - worth the money!
    5 people found this helpful
    Helpful
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Top reviews from other countries

  • Ayoob.
    5.0 out of 5 stars Ok
    Reviewed in the United Arab Emirates on March 29, 2025
    Color: WhiteSize: 10 ozVerified Purchase
    Ok
    Report
  • Scott Marshall
    3.0 out of 5 stars Love HATE
    Reviewed in Australia on December 3, 2024
    Color: WhiteSize: 14 ozVerified Purchase
    Ember cups are a fantastic concept and incredibly useful, but I’ve encountered some challenges with the company's aftercare service. It's frustrating that I've had to rely on Amazon for repeated replacements of my cups. For users who utilize them often, it can become a hassle to request repairs or full replacements regularly.

    It’s disappointing, especially considering the investment. I hope the company can improve their customer support to match the quality of their product!
    Report
  • Melannie Barrientos
    5.0 out of 5 stars It works
    Reviewed in the United Arab Emirates on September 30, 2023
    Color: Stainless SteelSize: 10 ozVerified Purchase
    Works effectively as described.
    Report
  • Gary
    5.0 out of 5 stars Good product good quality
    Reviewed in Singapore on July 31, 2020
    Color: BlackSize: 10 ozVerified Purchase
    Good product. Working as expected
    Report
  • Amazon Customer
    3.0 out of 5 stars Great for coffee lover, not so great for tea lovers
    Reviewed in India on January 8, 2025
    Color: WhiteSize: 10 ozVerified Purchase
    The Ember Smart Mug 2 can keep your tea/coffee at the perfect temperature for hours, making every sip as good as the first. However if you like very very hot tea then this product is not for you. Because usually we like tea to be very hot. In short it does not give you a boiling hot tea. just enough to keep it not cold.
    Report