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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, Copper

4.2 out of 5 stars 18,508 ratings

$165.99 with 8 percent savings
List Price: $179.95
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Color: Copper
Size: 14 oz
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Purchase options and add-ons

Color Copper
Material Stainless Steel
Brand Ember
Product Dimensions 4.5"L x 3.5"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 Description

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From the brand

Product information

Item Weight 0.88 Pounds
Capacity 14 Fluid Ounces
Maximum Temperature 145 Degrees Fahrenheit
Lower Temperature Rating 120 Degrees Fahrenheit
Upper Temperature Rating 145 Degrees Fahrenheit
UPC 810011401891 810011401662
Global Trade Identification Number 00810011401662
Manufacturer Ember
Product Dimensions 4.5 x 3.5 x 4.6 inches
Item Weight 14 ounces
ASIN B09FFYBR1C
Country of Origin China
Item model number CM191405US
Batteries 1 Product Specific batteries required.
Customer Reviews
4.2 out of 5 stars 18,508 ratings

4.2 out of 5 stars
Best Sellers Rank #5,338 in Home & Kitchen (See Top 100 in Home & Kitchen)
#6 in Tea & Espresso Beverage Warmers
Date First Available September 3, 2021

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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, Copper


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Top Brand: Ember

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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, Copper
Ember Temperature Control Smart Mug 2, 14 Oz, App-Controlled Heated Coffee Mug with 80 Min Battery Life and Improved Design, Copper
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Price-8% $165.99
List:$179.95
$89.99-30% $55.99
List:$79.98
-23% $99.95
List:$129.95
$59.99
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Get it as soon as Sunday, May 4
Get it as soon as Sunday, May 4
Get it as soon as Sunday, May 4
Get it as soon as Sunday, May 4
Get it as soon as Sunday, May 4
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Customer reviews

4.2 out of 5 stars
18,508 global ratings

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Customers say

Customers appreciate that the mug keeps beverages at 145 degrees and makes drinks more enjoyable, making it a perfect gift for tea and coffee lovers. The build quality is good, though durability is mixed with some units holding up fine while others are poorly engineered. The functionality and charging ability receive mixed reviews, with some saying it works well while others report it stops working and takes forever to charge. The battery life and value for money receive negative feedback, with customers noting the battery doesn't last long and considering it an expensive paperweight.

AI-generated from the text of customer reviews

1,546 customers mention "Coffee temperature"1,179 positive367 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.

"...I love the app feature that lets you customize the exact temperature to your liking...." 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

"...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

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

496 customers mention "Build quality"484 positive12 negative

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.

"The Ember Mug is both stylish and practical—perfect for keeping your coffee or tea nice and hot for hours...." 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

"...PROS: 1- Great build quality, just don't use a metal spoon to avoid scratches...." Read more

"...It was in excellant condition and works perfectly, so far. I am very pleased...." Read more

377 customers mention "Gift value"373 positive4 negative

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

817 customers mention "Functionality"519 positive298 negative

Customers have mixed experiences with the mug's functionality, with some saying it works well and the app performs great, while others report that it quits working and the application doesn't function 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

"...It only works for 90 minutes. Not long enough for me, I drink my coffee over time...." Read more

"It worked great for quite a long time but the heater did end up going bad after about a year of my husband yawing it of course when I said use he..." Read more

393 customers mention "Durability"120 positive273 negative

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

594 customers mention "Value for money"138 positive456 negative

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

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

"...Definitely worth the investment if you enjoy your hot drinks at the perfect temp!" Read more

387 customers mention "Battery life"74 positive313 negative

Customers report significant issues with the mug's battery life, noting that it only lasts about 45 minutes and shows declining performance over time.

"...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

319 customers mention "Charging ability"39 positive280 negative

Customers report issues with the mug's charging ability, noting that it takes a long time to charge and some units stop working entirely.

"...It takes too long to recharge. I want more than 90 minutes warming time. Taking the base and plugging it in wherever I go isn’t feasible...." Read more

"...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

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

  • Reviewed in the United States on April 21, 2025
    Color: Rose GoldSize: 10 ozVerified Purchase
    The Ember Mug is both stylish and practical—perfect for keeping your coffee or tea nice and hot for hours. I love the app feature that lets you customize the exact temperature to your liking. It’s such a small luxury that makes a big difference in your daily routine. The color I picked was such a hit that my wife’s office team now wants to order them for their own desks. Definitely worth the investment if you enjoy your hot drinks at the perfect temp!
    One person found this helpful
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  • 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
    Report
  • 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
    Report
  • Reviewed in the United States on May 29, 2022
    Color: BlackSize: 14 ozVerified Purchase
    The original review was accurate, but now that I've had the mug for 6 months (Originally 3 star), I have 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. The reason I'm reducing the rating here for 2 reasons.

    1) Trying to reach an actual person or something more intelligent than an automated help desk, is seeming to be nearly impossible.
    - To expand on this: I have been unable to find any contact information to report any issues I do have with the mug or software (I have no issues with the mug so far, but the software annoys me to no end).

    2) The software for the mug is so far below par, that they might as well just have a digital display on the side to show the temp and just set it that way.
    - Let me expand on this:
    a) If you don't keep your mug paired, ie: carry it with you 100% of the time, anytime it isn't paired, it forgets its pairing, and you have to go through the pairing procedure again to reconnect it. My car is a 2014, and the BlueTooth in it remembers my phone when I start it up, but this mug cannot.
    b) There's no way to override the heating to ON, if the sensor doesn't trigger to say the mug isn't empty, it won't turn on, even in the software Bluetooth connection. Through some digging, it states that it determines if it's empty by the significant difference in temperature: The mug is cold, pour warm to hot fluid in it, and it detects the temp change and determines it's not empty. I understand this is probably a safety feature to prevent the mug from burning out, but there should be some way to turn it on when you put room temp liquid into a room temp mug. (I usually make a batch of tea, and if I don't finish it all in a day, I use it the next day, I shouldn't have to microwave the first cup just to get it hot enough for the mug to realize it's full.)

    So in summary:
    -The mug is absolutely great, so far it's held up fine, with no chips/scratches. Works great to keep temp set.
    -Software needs a LOT of work. The biggest issue is the Bluetooth connection/protocol. I shouldn't have to re-pair it every day just to connect to the mug to change it from Tea to coffee, or some other temp for a different drink.
    -Better contact forms, for when you can't resolve the problem via automated help.

    I'm hoping that by rating this at only 1 star, maybe I'll get a way to contact the company, or at least they'll read this review and take the issues under advisement. Maybe even make a suggestions/complaints form to get these issues noticed so they know what to work on. Until I see a way to contact a live person, even if it's just email, or something simple, I cannot rate this higher than a 1. IF I were having a real issue with this mug (like it not working) I'd be out the money it cost me to buy it.

    Original Review Below this line:
    ***********************************
    Keeps my tea at the temperature I set, making every sip enjoyable.

    Pros:
    Heats relatively fast
    Keeps Temp very well.

    Con's:
    It's for Right Handers, if you're left-handed, (or hold the mug in your left hand), the LED is on the back side where you can't see it (less of a problem while you're actually holding it), but if you set it down for grabbing with your left hand you can't see the LED.

    The software is a little glitchy. I tried setting it to Celsius for a little bit, then when I tried to switch it back to Fahrenheit, it wouldn't switch, I had to reset the app completely to default to get it back to Fahrenheit.

    Couldn't find a contact form for issues (like the above software glitch), or suggestions.
    226 people found this helpful
    Report
  • Reviewed in the United States on April 17, 2025
    Color: BlackSize: 10 ozVerified Purchase
    This is my second Ember mug. The first one is over two years old and doesn't hold a charge long. I was happy to get this one because of its cost. But I am even more pleased that this one maintains its pairing. I never did get the first to stay paired once my phone went dark. This one hasn't yet forgotten in three weeks. But all is not perfect. It doesn't remember the hold temp from day to day so I have to train myself to do that every day.
    One person found this helpful
    Report

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
  • 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!
  • 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.
  • 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
  • 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.