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    We Tried It: Ember Mug 2 

    I had to find out exactly what this pricey, slick-looking, high-tech mug does and if it could save my midmorning tea woes 

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    Ember Mug Photo: Jodhaira Rodriguez/Consumer Reports

    Every morning I brew a cup of herbal tea to enjoy while I first start the workday. I also find myself finishing my cup of by-then cold tea around 11 a.m. Heated mugs offer a solution to the dreaded cold sip of coffee or tea. They keep drinks warm for long stretches of time, saving you from brewing a second cup of fresh coffee or zapping the cold one in the microwave. The Ember Mug 2 boasts 90 minutes of battery time and a sleek design. But is it worth its $150 price? 

    How Does the Ember Mug 2 Work?

    The Ember Mug 2 has a heating element in the bottom of the mug that keeps hot beverages at temperatures ranging from 120° F to 145° F. Sensors in the mug detect when there is liquid inside and record the temperature of the liquid. The 14-ounce mug I tested has a battery run time of up to 80 minutes, and the smaller 10-ounce mug can be used up to 90 minutes before it needs to be charged. Alternatively, by keeping the mug on the charger that doubles as a coaster, you can keep your coffee warm for as long as you keep the coaster connected to power. 

    The Ember Mug 2 automatically sets the temperature to be maintained at 135° F, but like most smart devices, you can pair the mug with an app on your phone to select a different temperature. From the app you can also: 

    More on Coffee Makers & Mugs
    • Change the color of the LED light on the base of your mug (though this color is visible only when you first turn it on and when you lift it off the coaster briefly). 
    • Connect the app to your iPhone’s Health app to track your coffee consumption.
    • Receive notifications when your desired temperature has been reached or it is time to recharge the mug.
    • Select preset temperatures for common drinks, such as green tea and cappuccino.
    • Use the tea timer that notifies you when your tea has seeped for 3, 5, or 6 minutes. 

    If you prefer to skip the app, you can still use the mug, but you will lose all customization features. According to the manufacturer, you should not try to microwave the Ember mug or wash it in the dishwasher.

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    Jodhaira Rodriguez

    Jodhaira Rodriguez is a senior multimedia content creator at Consumer Reports. Before joining CR, she tested and wrote about cleaning and organizing products and major appliances like washing machines and dishwashers at Good Housekeeping. In her free time, you’ll find her reading, listening to true crime podcasts, or working on her latest hobby of the month.