Introduction

As evenings grow crisper, many of us reach for a warm drink to stay comfortable. Ember's latest Mug 3 brings refined temperature control to the smart mug category, promising to keep beverages at the perfect sip-through temperature whether you're working, reading, or winding down for the night.

What Happened

Ember's Mug 3, the third-generation iteration of the company's temperature-controlled smart mug, introduces several practical upgrades. A new physical button on the mug's base lets you cycle through five preset temperatures from 125°F to 145°F in five-degree increments without opening the companion app. The update also adds a spill-reducing sliding lid, extends heat retention to up to three hours on a single charge, and becomes the first Ember mug to support top-rack dishwasher-safe cleaning. While the on-device controls aim to reduce reliance on the app, the companion software still offers Bluetooth-paired customization, including preset temperatures for different beverage types and the ability to save personalized settings.

Why This Matters

For anyone who has ever set a mug down only to return to a lukewarm drink, the Mug 3's direct temperature adjustments offer a tangible improvement. The ability to tweak heat from the mug itself is especially useful during evening wind-down routines, though the bottom-placed button does require tilting the cup to operate comfortably. Beyond the hardware, the expanded color options and size range make the product more accessible, while the improved heat retention and dishwasher-safe design address two common pain points for daily users.

Key Takeaways

  • On-device temperature presets with five settings from 125°F to 145°F
  • Sliding spill-reduction lid and up to three hours of heat per charge
  • Top-rack dishwasher-safe construction for easier cleanup
  • Available in 10-ounce ($129) and 14-ounce ($149) sizes
  • Sold through Ember's website, Target, and Amazon

Conclusion

Ember's Mug 3 refines the original concept with useful, user-focused upgrades. While the bottom-button placement remains a minor usability hurdle, the combination of direct temperature adjustment, longer heat retention, and broader availability makes it a compelling choice for tea and coffee lovers who value consistency in every sip.