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TLDR Review: Ember Smart Mug 2, 10 Oz

By ShopSavvy Team

Published: March 5th, 2026

Pros

•Maintains coffee at an exact, consistent temperature once set, enhancing the sipping experience.
•The app allows precise temperature control and remembers your preferred settings for convenience.
•Premium build quality with a substantial stainless steel construction and an attractive copper finish.
•Works exceptionally well with the sliding lid, which significantly extends battery life and helps retain heat.
•Battery life lasts about 80 minutes, enough for slow sippers when using the lid.
•Conveniently eliminates the need to reheat beverages multiple times throughout the day.
•Easy to use and charge daily, suitable even for those who aren’t tecavvy.
•Makes a thoughtful, practical gift appreciated by family and friends.
•Heats drinks relatively fast and maintains the perfect temperature from the first sip to the last.
•Enhances morning routines by preventing coffee from going cold too quickly.

Cons

•Battery life without the lid is quite short, requiring the charging coaster to be nearby for slow drinkers.
•Bluetooth connection is unreliable, leading to frequent pairing issues that can be frustrating.
•The heating function won’t activate unless it detects a temperature change, complicating warming up room temperature liquids without preating.
•The app can be glitchy, with problems like trouble switching between Celsius and Fahrenheit without resetting.
•LED temperature indicator is positioned for righanded users, making it hard to read for left-handed use.
•Battery performance tends to decline after about two years, potentially requiring replacements.
•Customer support and aftercare service are lacking, with no easy access to live help or feedback options.
•Durability issues reported by frequent users, sometimes necessitating repeated replacements despite the premium feel.
•Software setup can be annoying initially, although it becomes more handff after.
•Repair and replacement processes need improvement to better match the high product quality.

Bottom Line

The Ember Temperature Control Smart Mug 2 delivers exactly on its promise: keeping your coffee perfectly warm and ready to enjoy with precision temperature control through an intuitive app. Its premium design and long battery life with the lid make it ideal for slow, mindful sippers. However, the mug is not without quirks—unreliable Bluetooth, app glitches, and limited customer support might test your patience if you like flawless tech. If you prioritize seamless connectivity and longer battery life without fiddling with lids, you might want to explore alternative smart mugs with stronger app reliability. For those who want the best in temperature control and don’t mind a few software/stability trade-offs, this mug is an excellent companion for your coffee rituals.

Lowest at Amazon

$89.99 at Amazon

Lowest at any Popular Retailer

$11.00 at Walmart

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 53 retailers to give you the short version.