BRAND NEW / OPEN BOX (retails for $150) -Maintain your perfect drinking temperature in the Ember Mug 2 for 1.5 hours on a single charge or all day on the included Charging Coaster 2. -Set your empty Ember Mug 2 on the included Charging Coaster 2 to charge. The smart LED light on the front of the Mug will breathe red when charging and be solid green when fully charged. The LED is white when heating or monitoring a hot beverage. -Set the temperature of your hot drink down to the degree. Start with the preset 135°F or select your favorite temperature from a range of 120°F to 145°F (48.9°C to 62.8°C). -(Auto Off) Simply start pouring to turn on your Ember Mug 2. When empty, it will automatically enter sleep mode to conserve power. Ember intelligently turns on and off using patented sensors to detect liquid level and temperature. -Once you’ve paired your Ember Mug 2 to the Ember app, remotely set your drinking temperature, save presets for all your favorite drinks, set timers & more!