
Enjoy fast, free delivery, exclusive deals, and award-winning movies & TV shows with Prime
Try Prime
and start saving today with fast, free delivery
Amazon Prime includes:
Fast, FREE Delivery is available to Prime members. To join, select "Try Amazon Prime and start saving today with Fast, FREE Delivery" below the Add to Cart button.
Amazon Prime members enjoy:- Cardmembers earn 5% Back at Amazon.com with a Prime Credit Card.
- Unlimited Free Two-Day Delivery
- Streaming of thousands of movies and TV shows with limited ads on Prime Video.
- A Kindle book to borrow for free each month - with no due dates
- Listen to over 2 million songs and hundreds of playlists
- Unlimited photo storage with anywhere access
Important: Your credit card will NOT be charged when you start your free trial or if you cancel during the trial period. If you're happy with Amazon Prime, do nothing. At the end of the free trial, your membership will automatically upgrade to a monthly membership.
Ember Temperature Control 14oz Smart Mug 2, App-Controlled and Rechargeable Heated Coffee Cup Warmer with Intelligent LED Display, Sage Green.
Learn more
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 | Sage Green |
Special Feature | Color Changing |
Style | Modern |
Theme | Technology |
|
| ||||
|
|
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.
Frequently bought together

Frequently purchased items with fast delivery
Videos
Product information
Brand | Ember |
---|---|
Color | Sage Green |
Special Feature | Color Changing |
Style | Modern |
Theme | Technology |
Recommended Uses For Product | Home, Office |
Included Components | Handle |
Specific Uses For Product | Hot Drinks |
Shape | Round |
Pattern | Solid |
Product Care Instructions | Hand Wash Only |
Age Range (Description) | Adult |
Material Feature | BPA-free, Hand Wash Only, Plastic |
Reusability | Reusable |
Unit Count | 1.0 Count |
Product Dimensions | 6.11"W x 6.11"H |
Number of Items | 1 |
Manufacturer | Ember |
UPC | 810011402430 |
Global Trade Identification Number | 00810011402430 |
Size | 14 oz |
Item Weight | 1.61 pounds |
ASIN | B0CP4ZNJLR |
Country of Origin | China |
Item model number | CM191415AM |
Batteries | 1 Lithium Ion batteries required. |
Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | #1,568 in Home & Kitchen (See Top 100 in Home & Kitchen) #3 in Tea & Espresso Beverage Warmers |
Date First Available | April 22, 2024 |
Feedback

Ember Temperature Control 14oz Smart Mug 2, App-Controlled and Rechargeable Heated Coffee Cup Warmer with Intelligent LED Display, Sage Green.
Share:
Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive.
Where did you see a lower price?
Fields with an asterisk * are required
Product Description
Designed for home or office, Ember Mug 2 does more than simply keep your coffee hot. The temperature control smart mug allows you to set your preferred drinking temperature (120°F – 145°F), so you can enjoy your hot drink—just the way you like it— from the first sip to the last drop. Ember Mug 2’s built-in battery maintains your chosen drinking temperature for up to 80 minutes, or all day with the included charging coaster. Capacity: 14 fl oz Built-in battery to maintain your drinking temperature Battery life: 80 minutes, or all day on included charging coaster Ember Mug Charging Coaster 2 included Pairs with the Ember app. iOS and Android compatible Temperature range: 120°F – 145°F Ember Mug is safe to hand wash and submersible up to 1 meter in water Do not microwave
Top Brand: Ember
Compare with similar items
This Item Ember Temperature Control 14oz Smart Mug 2, App-Controlled and Rechargeable Heated Coffee Cup Warmer with Intelligent LED Display, Sage Green. | Recommendations | ||||
Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | |
Price | -33% $99.99$99.99 List: $149.95 | $99.94$99.94 | -15% $67.99$67.99 List: $79.99 | -9% $99.98$99.98 Typical: $109.98 | $99.99$99.99 |
Delivery | Get it as soon as Wednesday, Jun 18 | Get it as soon as Sunday, May 11 | Get it as soon as Sunday, May 11 | Get it as soon as Monday, May 12 | — |
Customer Ratings | |||||
Sold By | Amazon.com | Nextmug by Nextboom | Kepwam | VFZO | Just Right! |
material | Stainless Steel | Ceramic Matte Finish with Stainless Steel Body | Ceramic, Stainless Steel | — | Stainless Steel |
capacity | 14 fluid ounces | 14 fluid ounces | — | 16 fluid ounces | 295 milliliters |
number of items | 1 | 3 | — | 1 | 2 |
keyword type | beverage-warmers | beverage-warmers | beverage-warmers | beverage-warmers | novelty-coffee-mugs |
weight | 1.61 pounds | 2.1 pounds | — | — | 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 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 receives mixed feedback with some saying it holds up fine while others find it poorly engineered. Functionality and battery life are major concerns, with customers reporting that the new app doesn't work properly and the battery doesn't last as long as expected. The charging capability is also problematic, with customers noting spotty charging performance and issues with the coaster charger. Customers find the mug's value for money questionable, 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.
"...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
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
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 and the app performs great, while others report that it quits working and the application doesn't function properly.
"Works great! Keeps coffee and other hot drinks hot. I don’t use my coffee mugs anymore...." 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
"...10+ Min on average to reach your preferred temperature, the mug works on 110/220v if you need to travel...." Read more
"Worked for 9 months; contacted support multiple times and its been 1 month since contacting them and 2 weeks no reply...." 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.
"...Won't heat, won't re-pair. Not a good monthly cost for me." 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
"...Probably too expensive, but I tried a different cheaper mug in the interim and did not care for it...." Read more
"...the coffee at the right temp OK but the cup is so small that its barely worth it - I'm done before it could have gotten cold...." Read more
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
"...It will no longer hold a charge or connect to my phone...." Read more
"Battery dies very quickly I find myself charging it a lot that’s my only issue with it." 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
Customers report issues with the mug's charging capability, noting that it becomes spotty and stops 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
Reviews with images

As described, but...
Top reviews from the United States
There was a problem filtering reviews. Please reload the page.
- Reviewed in the United States on April 21, 2025Color: Rose GoldSize: 10 ozVerified PurchaseThe 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!
- 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 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 May 29, 2022Color: BlackSize: 14 ozVerified PurchaseThe 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.
- Reviewed in the United States on May 1, 2025Color: WhiteSize: 14 ozVerified PurchaseI ended up buying another one of these when the coating wore off on the first one. Probably too expensive, but I tried a different cheaper mug in the interim and did not care for it. As clunky as Ember's app can feel at times, it was infinitely better than that competitor's. Just know that customer service almost never responds, no matter how many times you ping them. Sometimes I wonder if the company is not going to be around much longer, given how absent their customer service seems to be.
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.
Product summary presents key product information
Keyboard shortcut
shift
+
alt
+
opt
+
D
Product Summary: Ember Temperature Control 14oz Smart Mug 2, App-Controlled and Rechargeable Heated Coffee Cup Warmer with Intelligent LED Display, Sage Green.
From Ember
Price
One-time purchase: $99.99 33% Savings
List Price: $149.95
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.
Product Description
Options Available
Color
- Black
- Copper
- Gold
- Lavender
- Powder Blue
- Red
- Rose Gold
- Sage Green
- Stainless Steel
- White
Size
- 10 oz
- 14 oz
Feedback
Did you find this product summary feature useful?