Ember Mug 8 14 oz (414 ml) - BlackDesigned for home or office, Ember Mug2 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 80 minuutes with the Ember Mug2, 414 ml so your hot beverage stays perfect. Ember Mug 2 is safe to hand wash and submersible up to 1 meter in water. Through the app, set your temperature to the exact degree in