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Ember Mug²

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Designed for home or office, Ember Mug² does more than simply keep your coffee hot. Our smart mug allows you to set an exact drinking temperature, so your coffee is never too hot, or too cold.

Ember then maintains your chosen temperature for 1.5 hours with the Ember Mug² 10 oz and 80 minutes with the Ember Mug² 14 oz - so your hot beverage stays perfect

  • 10 fl oz (295 ml) or 14 fl oz (414 ml)
  • Easy to clean. Mug is safe to handwash and submersible up to 1 meter in water
  • Built-in battery to maintain your drinking temperature
  • Includes charging coaster

Smart LED

Smart LED

Indicates when beverage has reached its perfect temperature and more.

Improved battery life

Improved Battery Life

10 oz - 1.5 hours
14 oz - 80 mins
All day when placed on charging coaster.

Auto Sleep feature

Auto Sleep

Intelligently senses when to turn on and off.

Control your temperature

Temperature Range

120°F - 145°F (50°C - 62.5 °C). Select your temperature on the mug or with the Ember app.

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Frequently Asked Questions


How does the Ember Mug work?

The difference between the Ember Mug² and a normal mug is that, anything can keep something “Hot”, but only the Ember Mug² can keep your favorite hot beverage at your perfect drinking temperature. Whether you call it an electric mug or battery heated coffee mug, your Ember Mug² allows you to control your ideal temperature from our app

How do I use the Ember Mug?

Simply pour in your favorite hot beverage and let the Ember Mug² do the rest! The LED light will indicate when your Ember is trying to reach the perfect temperature and when it’s ready for you to enjoy. You can also connect the Ember to your smartphone via Bluetooth, by downloading the Ember app. The Ember app will allow you to adjust your preferred temperature, add preset temperatures, and notify you when your beverage has hit your perfect drinking temperature.

Do I have to have a smart phone for the Ember Mug to work?

No! Every Ember Mug² is preset to 57°C for you enjoy right out of the box.

Using the mug independently will limit you from customizing specific feature from the Ember mobile app such as adding a custom LED color or setting a specific preferred temperature between 50°C - 62.5°C.

How long does the Ember Mug battery last?

The Ember Mug², 10 oz was designed to last for up to 1.5 hours and up to 80 min for the Ember Mug², 14 oz when poured in hot at a set temperature of 57°C.

The battery life of your hot mug depends on a number of factors including but not limited to: external temperature, liquid temperature at pour, speed of liquid consumption, and your set temperature.

Where to buy Ember?

In addition to Ember.com, The World’s First Temperature Control Mug is available in retailers across the globe such as Apple, Best Buy, Starbucks, Harrod’s, and Bloomingdale’s. Whether you like coffee, tea, or a hot-tail we want you to enjoy your beverage at the perfect temperature and just the way you like it.

Is the Ember Mug compatible with my phone? (Android or Apple)

Due to iOS and Android bluetooth updates, not all phones may be compatible with the Ember App. Below is a list of tested phones compatible* with our app. We're continually adding more devices and improving our compatibility, so if you don't see your device on the list check back soon.

Apple Devices*

Operating System: iOS 11.0+

  • iPhone 11 / 11 Pro
  • iPhone X / Xs / Xr / Xs Max
  • iPhone 8 / 8 Plus
  • iPhone 7 / 7 Plus
  • iPhone SE
  • iPhone 6S / 6S Plus
  • iPhone 6 / 6 Plus
  • iPhone 5S
  • Apple Watch

Android Devices*

Operating System: Android 4.4+

  • Samsung Galaxy S10 / S10+
  • Samsung Galaxy S9 / S9+
  • Samsung Galaxy S8 / S8+
  • Samsung Galaxy S7 / S7 edge
  • Samsung Galaxy S5
  • Samsung Galaxy S4
  • Samsung Galaxy Note 8 / 8+
  • Samsung Galaxy Note 5
  • Samsung Galaxy Note 4
  • Samsung Galaxy Note 3
  • HTC U11
  • Google Pixel 4
  • Google Pixel 3 / Pixel 3 XL
  • Google Pixel 2 / Pixel 2 XL
  • Google Pixel / Pixel XL
  • OnePlus 7 / 7 Pro
  • OnePlus 5T
  • Google Nexus 6P
  • Google Nexus 5X
  • Google Nexus 6
  • Google Nexus 5
  • Motorola Moto G
  • Motorola Moto X

*Newer devices not listed may still be compatible, but have not yet been tested by our team.

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