Review: Ember's iOS-Connected Ceramic Mug Keeps Your Coffee and Tea Warm for Hours

Review: Ember’s iOS-Connected Ceramic Mug Keeps Your Coffee and Tea Warm for Hours

Ember first began selling its temperature control Travel Mug back in 2015, allowing customers to personally control the temperature of their favorite hot beverage from their smartphone, and keep the drink hot for as long as an hour when it wasn’t sitting on a…

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