
Ember 14 oz Temperature Control Smart Mug
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Our take on the Ember 14 oz Temperature Control Smart Mug
The Ember 14 oz Smart Mug is a battery-powered ceramic mug that holds a drink at a temperature you set in the Ember app, keeping it warm for roughly an hour and a half on battery or all day on its charging coaster. It suits desk workers, slow coffee drinkers and tea drinkers who hate reheating a cup. Against cheaper heated coasters it adds portability and precise control, but it costs far more, needs an app to set up, and the battery life is short. Owners like the steady temperature and the simple design; critics point to the battery, the app and the need to hand wash it.
- Holds a set temperature for hours on the charging coaster
- Battery keeps the drink warm for about 80 minutes away from the base
- Precise temperature control in 1-degree steps through the app
- Simple ceramic look with no buttons or screens
- Auto-sleeps when empty and wakes when you pour
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What reviewers say
Owners praise the steady temperature and the clean, buttonless design. The most common complaints are the short battery life, the app setup and the hand-wash requirement.
- BatteryCriticisedOwners say the battery lasts about an hour and a half and drains faster than they hoped.
- TemperaturePraisedReviewers like that the drink stays at the exact temperature they set.
- AppMixedThe app gives precise control but pairing and reconnecting frustrate some owners.
Questions and answers
- How long does the battery last?
- About 80 minutes away from the charging coaster. On the coaster it holds temperature indefinitely.
- Can I use it without the app?
- You need the app for the first setup and to change the temperature. After that the mug keeps the last set temperature on its own.
- Is it dishwasher safe?
- No. Ember says to hand wash it, and the charging coaster and electronics should stay dry.
- What can I put in it?
- Coffee, tea and other hot drinks. It is not made for cold drinks or for carrying around in a bag.
- How is it different from a heated coaster?
- The mug has its own battery, so it keeps drinks warm away from the base. A coaster only works while the mug sits on it.
- Does it come with a lid?
- The 14 oz mug ships with a sliding lid and the charging coaster.
















