If the coffee drink is already in a hot water state, no matter what kind of charger, plug it in to keep coffee warm. 24 Hours AUTO Shut Off: The Thermostatic Stirring Coffee Mug will auto shut off ...

Most mugs allow you to choose from multiple temperature settings, and these electronic cups generally have a battery life of one and two hours — though they can keep your drink warm indefinitely ...

Stay warm this winter with 12 must-have gadgets, including smart thermostats, heated blankets, and coffee mug warmers for home, office, or commutes.

The Ember Mug 2 helped define what to expect from a smart heated mug and offers unmatched control and customizability. Pros: ...