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Ember Temperature Control Smart Mug Review: Is It Worth It?
Set your perfect temperature and your coffee or tea stays exactly that hot for hours — no more reheating a forgotten cup.

Illustrative image — see Amazon for the actual product.
Our verdict
The Ember Mug solves a tiny, daily annoyance so well it becomes a habit — your drink stays perfectly hot for hours. A pure luxury, yes, but a delightful one and a foolproof gift for coffee lovers.
The short version
If your coffee always goes cold before you finish it, the Ember Mug fixes exactly that. You set your ideal drinking temperature in the app and the heated mug holds it there for hours on its charging coaster — so the last sip is as warm as the first. It's a luxury, but for slow sippers, busy parents and desk workers, it's the kind of gadget you stop being able to live without.
Pros & cons
Pros
- Keeps coffee/tea at your exact temp for hours
- No more reheating a forgotten cup
- Set and adjust temperature from the app
- Charging coaster keeps it powered all day
- Genuinely useful for slow sippers
- A memorable, premium gift
Cons
- Premium price for a mug
- Battery is limited off the coaster
- App setup for a simple-seeming product
Why people love it
Set your temperature
Pick your ideal drinking temp in the Ember app — it remembers it.
Pour and sip
The mug heats your drink to that temperature and holds it steadily.
Rest it on the coaster
Sitting on its charging coaster, it stays hot and topped up all day.
Who it's for
- Slow coffee and tea sippers
- Busy parents and desk workers
- Anyone who reheats their drink constantly
- Gift shoppers wanting a wow factor
See Ember Mug on Amazon
Check the latest price, photos and buyer reviews on Amazon.
Check Price on Amazon →Sold and shipped by AmazonFrequently asked questions
Does the Ember Mug actually keep coffee hot?
Yes — it heats to and holds your set temperature for hours on the coaster, so your drink doesn't go cold while you get distracted.
How long does it last off the charger?
A while on a full charge, but it's designed to sit on its charging coaster for all-day use.
Do I need the app?
You set and adjust the temperature in the app, though it remembers your preference once configured.
Is it a good gift?
It's a standout, memorable gift for any coffee or tea lover.
As an Amazon Associate, TopCrate earns from qualifying purchases at no extra cost to you. The image above is illustrative; price, availability and current ratings are shown on Amazon and are subject to change.



