Designed to go wherever you go, the Ember Travel Mug 2 and its companion smartphone app allow you to set your precise drinking temperature for hot beverages, track caffeine consumption, save presets for your favorite drinks, name your mug, and more. Use the new touch display on the mug for on-the-go temperature customization. Ember Travel Mug 2 maintains your chosen temperature for up to three hours, so your warm beverage stays perfect from the first sip to the last drop.