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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, Black
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Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
Brand | Ember |
Color | Black |
Special Feature | Scratch Resistant, Programmable |
Theme | Holiday |
Recommended Uses For Product | Home |
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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 Only: An updated scratch-resistant coating is safe to hand wash; Ember Mug 2 is IPX7 rated and fully submersible up to 1 meter deepHand 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 Description





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Watch before you buy- Ember Temperature Control Smart MugMacy Terry
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Product information
Brand | Ember |
---|---|
Color | Black |
Special Feature | Scratch Resistant, Programmable |
Theme | Holiday |
Recommended Uses For Product | Home |
Included Components | Charging coaster,Adapter,Quick start guide,Handle,Drinking Cup |
Specific Uses For Product | Hot Drinks |
Shape | Round |
Pattern | Solid |
Product Care Instructions | Hand Wash Only |
Age Range (Description) | Adult |
Material Feature | Insulated |
Reusability | Reusable |
Unit Count | 1.0 Count |
Product Dimensions | 5.85"W x 6.24"H |
Number of Items | 1 |
Manufacturer | Ember |
UPC | 810011400580 810011400641 |
Global Trade Identification Number | 00810011400566 |
Size | 14 oz |
Item Weight | 14 ounces |
ASIN | B07Z5H4TF5 |
Country of Origin | China |
Item model number | CM191400EU |
Batteries | 2 A batteries required. (included) |
Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | #2,068 in Kitchen & Dining (See Top 100 in Kitchen & Dining) #3 in Mugs |
Date First Available | October 15, 2019 |
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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, Black
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Top Brand: Ember
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This Item Ember Temperature Control Smart Mug 2, 14 Oz, App-Controlled Heated Coffee Mug with 80 Min Battery Life and Improved Design, Black | Recommendations | |||
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | -33% $100.00$100.00 List: $149.95 | $164.90$164.90 | -23% $99.95$99.95 List: $129.95 | $99.99$99.99 |
Delivery | Get it as soon as Monday, Apr 28 | Get it as soon as Friday, Apr 25 | Get it as soon as Monday, Apr 28 | — |
Customer Ratings | ||||
Sold By | Amazon.com | Certified Brands | Nextmug by Nextboom | Just Right! |
material | Stainless Steel | Stainless Steel with Protective Coating | Ceramic Matte Finish with Stainless Steel Body | Stainless Steel |
capacity | 14 fluid ounces | 14 ounces | 14 fluid ounces | 295 milliliters |
number of items | 1 | 1 | 3 | 2 |
keyword type | mugs | mugs | beverage-warmers | novelty-coffee-mugs |
weight | 0.88 pounds | 1.01 pounds | 0.94 kilograms | 0.75 pounds |
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers praise the mug's ability to keep beverages at 145 degrees and appreciate its build quality, making it a perfect gift for tea and coffee lovers. However, the functionality and durability receive mixed reviews - while some say it works well and holds up fine, others report it stops working and is poorly engineered. Moreover, the battery life and charging ability are significant concerns, with customers noting it only lasts about an hour and takes a long time to charge. Additionally, the value for money receives negative feedback, with customers describing it as an expensive paperweight.
AI-generated from the text of customer reviews
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
"...And sadly, because the Ember does such a good job keeping coffee hot ... this same phenomenon tends to happen...." Read more
Customers appreciate the mug's build quality, noting that it feels like a quality item, with one customer mentioning it performs better than a plain ceramic mug.
"...PROS: 1- Great build quality, just don't use a metal spoon to avoid scratches...." Read more
"...months (Originally 3 star), I have to reduce its rating... The mug itself is great, works well, and does what it says...." Read more
"...It was in excellant condition and works perfectly, so far. I am very pleased...." Read more
"...good news is that if you don’t want to use the APP, the product is completely seamless...." Read more
Customers find the mug makes beverages more enjoyable and appreciate it as a perfect gift for tea and coffee lovers.
"...recommend it for everyone who takes their time drinking and enjoying tea or coffee...." Read more
"...Keeps my tea at the temperature I set, making every sip enjoyable. Pros: Heats relatively fast Keeps Temp very well...." Read more
"...So all said, Great mug ... but not Perfect. And yes, for the record ... app still kinda stinks...." Read more
"...They are really a wonderful treat if you've got the budget for it." Read more
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.
"...10+ Min on average to reach your preferred temperature, the mug works on 110/220v if you need to travel...." Read more
"...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
"...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
"Keeps my coffee hot! Love it! Works great!" Read more
Customers have mixed experiences with the mug's durability, with some reporting it holds up fine and lasts long enough, while others mention that the coasters break frequently and the coatings aren't durable.
"...They are tiny little spring loaded prongs that are predisposed to break if you do not baby the coaster...." Read more
"...that it keeps tea or coffee warm at a stated temperature but the mug is not cheap. it takes more than 2 hours to get the battery back to 100%." Read more
"...So in summary: -The mug is absolutely great, so far it's held up fine, with no chips/scratches...." 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
Customers find the mug overpriced, particularly noting that the charger plates are unreasonably expensive.
"...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
"...and this is the biggest reason for the loss of a star: The price is too darn high...." 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
"...The second issue I have with it is price. It's worth every penny to me, but realistically, the price is a barrier to me having multiple...." Read more
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
Customers report issues with the mug's charging ability, noting that it takes a long time to charge and some units stop working entirely.
"...CONS: 1- The charging time is very long more than two hours to get fully charged, this is very annoying!!..." Read more
"...It's not inductive charging and I'm not sure it could be given the threat of liquids...." Read more
"...The biggest disappointment is that the charging coaster stopped working making this a mug that doesn't keep your coffee warm nor can you reheat in it..." Read more
"It takes a long time to charge. the battery start wearing down as soon as as it's off the charger, even when hot liquids are put into the cup...." Read more
Reviews with images

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Top reviews from the United States
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- Reviewed in the United States on March 15, 2025Color: CopperSize: 14 ozVerified PurchaseI 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.
- Reviewed in the United States on February 3, 2025Color: WhiteSize: 10 ozVerified PurchaseThis 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.
- Reviewed in the United States on November 7, 2024Color: BlackSize: 10 ozVerified PurchaseIn the beginning, you will receive your mug in beautiful packaging and it will work as you wish.
The empty mug weight is 414g which is a little heavy but the handle is very comfortable. The first setup use very easy just charge your mug and download the app to set your preferred temperature.
Once you set the temperature you need 10+ Min on average to reach your preferred temperature, the mug works on 110/220v if you need to travel. Please take a couple of minutes to read the user manual to avoid any short circuit while you charge the mug.
PROS:
1- Great build quality, just don't use a metal spoon to avoid scratches.
2- The average time depending on the temperature is 70 Min which is doing what is supposed to be done, and the actual temperature of the drink is similar to what is displayed on the app.
3- Smooth app to control and easy to connect, and the mug will automatically off if the mug is empty.
CONS:
1- The charging time is very long more than two hours to get fully charged, this is very annoying!!
2- The battery percentage decreases rapidly after a full charge until it reaches 3%, where it remains for a long time. I believe a software update is needed.
3- I would like to see a 70 C degree nether than 62.5 to drink a black tea.
5.0 out of 5 starsIn the beginning, you will receive your mug in beautiful packaging and it will work as you wish.Always enjoy a cup of hot coffee
Reviewed in the United States on November 7, 2024
The empty mug weight is 414g which is a little heavy but the handle is very comfortable. The first setup use very easy just charge your mug and download the app to set your preferred temperature.
Once you set the temperature you need 10+ Min on average to reach your preferred temperature, the mug works on 110/220v if you need to travel. Please take a couple of minutes to read the user manual to avoid any short circuit while you charge the mug.
PROS:
1- Great build quality, just don't use a metal spoon to avoid scratches.
2- The average time depending on the temperature is 70 Min which is doing what is supposed to be done, and the actual temperature of the drink is similar to what is displayed on the app.
3- Smooth app to control and easy to connect, and the mug will automatically off if the mug is empty.
CONS:
1- The charging time is very long more than two hours to get fully charged, this is very annoying!!
2- The battery percentage decreases rapidly after a full charge until it reaches 3%, where it remains for a long time. I believe a software update is needed.
3- I would like to see a 70 C degree nether than 62.5 to drink a black tea.
Images in this review
Top reviews from other countries
- Ayoob.Reviewed in the United Arab Emirates on March 29, 2025
5.0 out of 5 stars Ok
Color: WhiteSize: 10 ozVerified PurchaseOk
- Scott MarshallReviewed in Australia on December 3, 2024
3.0 out of 5 stars Love HATE
Color: WhiteSize: 14 ozVerified PurchaseEmber 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!
- Melannie BarrientosReviewed in the United Arab Emirates on September 30, 2023
5.0 out of 5 stars It works
Color: Stainless SteelSize: 10 ozVerified PurchaseWorks effectively as described.
- GaryReviewed in Singapore on July 31, 2020
5.0 out of 5 stars Good product good quality
Color: BlackSize: 10 ozVerified PurchaseGood product. Working as expected
- Amazon CustomerReviewed in India on January 8, 2025
3.0 out of 5 stars Great for coffee lover, not so great for tea lovers
Color: WhiteSize: 10 ozVerified PurchaseThe 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.