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Ember Mug 3 Smart Mug Brings On-Device Temperature Controls

Ember launches its third-generation smart mug starting at $129, featuring physical temperature presets, a spill-resistant lid, and dishwasher safety.

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Inewgen
18 Oct 2026Source: TechCrunch3 min read (0 views)
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Ember Mug 3 Smart Mug Brings On-Device Temperature Controls

Stock photo for illustration only, not from the actual event

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  • Ember has officially announced the Mug 3, the third generation of its smart temperature-controlled mug.
  • It features a physical button on the bottom to cycle through five preset temperatures from 125°F to 145°F without using an app.
  • The new model introduces a sliding spill-resistant lid and is the first in the lineup to be top-rack dishwasher-safe.

As the nights grow chillier, reaching for a warm cup of tea becomes a comforting nightly routine. However, a common frustration for hot drink lovers is getting distracted and returning to a lukewarm beverage. To solve this everyday issue, Ember has returned with its latest temperature-controlled smart mug designed to keep drinks at an optimal temperature for as long as you sip.

Ember has introduced the Mug 3, marking the company's third-generation smart mug. The biggest upgrade in this new version is that users no longer need to open a smartphone app to adjust their beverage temperature. Instead, a physical button located on the bottom of the mug allows users to cycle through five preset temperatures, starting at 125 degrees Fahrenheit and increasing in five-degree increments up to a maximum of 145 degrees.

ceramic mug hot tea desk

Stock photo for illustration only, not from the actual event

This design change offers a small yet meaningful convenience, especially when relaxing in bed with a book while the phone is left across the room. Being able to adjust the drink settings without getting up helps bypass potential Bluetooth connectivity or pairing issues reported with previous Ember app versions.

3Hours Battery Life
145°FMax Temperature
5Preset Levels

Despite the useful addition, the button placement on the bottom of the mug presents a minor design quirk. Handling a cup filled with hot liquid while pressing down firmly to make it respond can feel slightly awkward, and reviewers noted they often had to tilt the mug to get a proper response.

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"Being able to adjust my drink without getting up to find it is a small convenience, but one I genuinely appreciate."

Lauren Forristal

Ember's evolution of its temperature-controlled drinkware highlights how smart home and lifestyle hardware continues to refine user experience by removing unnecessary friction. By introducing physical controls alongside app connectivity, the brand addresses real-world feedback about software dependency, ensuring the hardware remains functional and intuitive even without a smartphone nearby.

notebook computer coffee cup office

Stock photo for illustration only, not from the actual event

Alongside on-device controls, the Mug 3 includes a sliding lid to help prevent spills and maintains target temperatures for up to three hours on a single charge. It is also the first Ember mug to be top-rack dishwasher-safe, though it remains not microwave-safe. The 10-ounce model is priced at $129, while the 14-ounce version costs $149 in various color options. Additionally, Ember released the 16-ounce Tumbler 2 for $179 to replace older travel models.

Source: TechCrunch

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