Keep your drink hot. Enjoy 1 hour of battery life on a single charge, or keep the Ember Mug on the included charging coaster for all day use. Set and maintain your perfect drinking temperature. Start with 135° and adjust from there. Designed to be used in your home or at your desk, Ember Mug 10 oz. allows you to set your precise drinking temperature. Ember will maintain that temperature for approximately one hour, so your hot beverage is perfect from the first sip to the last drop. Ember Mug and its companion app also allow you to track your caffeine consumption, save presets for your favorite drinks, customize the LED color, and more. It is iOS and Android compatible.