Designed for home or office, the Ember Mug 2 does more than simply keep your coffee hot. Our smart mug allows you to set an exact drinking temperature, so your coffee is never too hot, or too cold. Ember then maintains your chosen temperature for up to 1.5 hours with the Ember Mug 2, 10 oz and up to 80 minutes with the Ember Mug 2, 14 oz - so your hot beverage stays perfect. Ember Mug 2 is safe to hand wash and submersible up to 1 meter in water. Precision in the palm of your hands Ember is a connected device. Use the Ember app to set your temperature, customize presets for your favorite drinks, receive notifications when your desired temperature is reached, personalize your mug and more. Features: Smart LED: Indicates when beverage has reached its perfect temperature and more. Built-In Battery: 14 oz - 80 mins, all day when placed on charging coaster. Auto Sleep: Intelligently senses when to turn on and off. Temperature Range: 120°F - 145°F (50°C - 62.5 °C). Select your temperature with the Ember app. Ember is a connected device. Use the Ember app to set your temperature, customize presets for your favorite drinks, receive notifications when your desired temperature is reached, personalize your mug and more. 14 oz (414mL) has a weight of 16.1 oz (457g). The rim has 3.46 inches (88 mm) diameter. The mug has 4.6 inches (117 mm) height and 4.5 inches (114.7 mm) width including the mug handle. Ember Mug 2 - 14 oz