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TLDR Review: Ember Mug 2

By ShopSavvy Team

Published: March 15th, 2026

Pros

•Keeps coffee warm for about 80 minutes, perfect for savoring your drink without rushing.
•Maintains the set temperature precisely and consistently from the first sip to the last.
•Premium build quality with a substantial stainless steel body and attractive sage green/copper finish.
•Works exceptionally well with the sliding lid, which significantly extends battery life and heat retention.
•The app allows precise temperature control and remembers your preferred settings for convenience.
•Enhances the morning routine by eliminating the need to reheat or finish coffee quickly.
•Battery rarely needs charging during use when the lid is on, making it suitable for slow sippers.
•Easy to clean and maintain, sturdy enough for everyday office or home use.
•Provides a premium, satisfying feel in the hand and looks great on your desk or kitchen counter.

Cons

•Battery performance tends to decline after around two years, leading to shorter usage time per charge.
•Bluetooth connection is unreliable, frequently losing pairing and requiring inconvenient rairing.
•The heating function won’t activate unless there’s a temperature change, so warming room temperature drinks without preating is tricky.
•The app can be glitchy, with issues like difficulty switching between Celsius and Fahrenheit without resetting.
•The LED temperature indicator is optimized for righanded users, making visibility awkward for left-handed use.
•Customer support is frustratingly difficult to access, with no easy way to reach a live person for help or feedback.
•Battery life without the lid is short, so you need to keep the charging coaster nearby if you sip slowly and don’t cover the mug.
•Frequent replacements or repairs might be needed with regular use, which can make maintenance frustrating given the premium price.
•Considered pricey for a coffee mug, which may put off budgeonscious buyers.

Bottom Line

The Ember 14oz Mug 2 in Sage Green is a stylish, tech-forward mug that delivers on its promise of keeping your coffee at the perfect temperature for a leisurely experience. Its premium design and precise heating make it ideal for daily use, especially if you keep the sliding lid on to maximize battery life. However, be prepared for some software quirks, unreliable Bluetooth pairing, and a noticeable battery decline after a couple of years. If long-term battery durability or flawless app performance are dealbreakers, you might want to explore other smart mugs or keep an eye out for future Ember upgrades.

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 thousands of retailers to give you the short version.

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