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 1.5 hours with the Ember Mug 2, 10 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. Dimensions: 10 oz (295mL) has a weight of 14.5 oz (410g). The rim has 3.3 inches (83.2 mm) diameter. The mug has 4.2 inches (106.7 mm) height and 4.3 inches (109.2 mm) width including the mug handle.