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Ember temperature-control mug finally hits the market

Ben Welter - Wednesday, November 30, 2016

Ember Technologies, which raised more than $360,000 on IndieGoGo last year, has finally released its flagship product, the temperature-controlled Ember mug.

The $149 mug is being delivered to nearly 2,000 IndieGoGo backers and is available for purchase at dozens of Starbucks outlets in the United States. The mug quickly sold out at starbucks.com (it's back in stock today) and is on backorder on embertech.com, with delivery promised in January.

"The release of the Ember mug is seven years in the making. I started Ember to solve a simple yet universal challenge faced by coffee and tea drinkers everywhere — how can I keep my hot beverage at the ideal temperature for as long as I want," Ember Technologies founder and CEO Clay Alexander said in a news release.

Cutaway of Ember mugThe Ember mug uses phase change material and a microprocessor-controlled heating system to maintain hot beverages at temperatures set by the user.

Hot beverages are usually served around 160° Fahrenheit — far too hot to drink. Which means coffee drinkers must typically wait for their java to cool to drinkable temperature, commonly 135°. That's where Ember's phase change cooling technology makes a big difference. The PCM in Ember's lining absorbs the excess heat to rapidly cool the drink and then works in concert with a battery-powered heating element to keep the drink hot.

The Ember mug can maintain a temperature for about two hours on the go or indefinitely when on its slim charging coaster. A twist of the base adjusts the temperature. A mobile app allows users to set and select temperature profiles for coffee, tea or other beverages.

A few early reviews:

• "Beautiful packaging and works flawlessly. I also put in cold water and had it heat to 133. Very cool. Should have ordered an extra coaster." — Christopher Hall, IndieGoGo backer

• "Wish I had another charger and vehicle charger. Two hours is not very long, especially for a second cup of coffee once in town or for the drive back home after shopping day is done. Another wish is that the cup made notification sounds or at least flash 'ready,' Different colors in the display would be great too. Lovin' the temp stays hot!" — Heather Baker, IndieGoGo backer

• "Ember keeps my coffee and tea at the perfect temperature for hours on end. I don't scald my mouth anymore or have to put my drink in the microwave when it's too cold. It's perfect for traveling, everyday use, and going on cold walks when all you want is a warm drink. I highly recommend and a few of my friends already have one for the holidays." — Tayto, Los Angeles, Calif., on starbucks.com

• "Want it hotter or colder? Adjust the temp on the mug or in the app. Works amazing and holds temp for hours. Can't wait to see what else comes out of Ember!" — Eric, Carlsbad, Calif., on starbucks.com

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