EMBER LARGE MUG Designed 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 1.5 hours with the Ember Mug² 10 oz and 80 minutes with the Ember Mug² 14 oz - so your hot beverage stays perfect 10 fl oz (295 ml) or 14 fl oz (414 ml) Easy to clean. Mug is safe to handwash and submersible up to 1 meter in water Built-in battery to maintain your drinking temperature Includes charging coaster Smart LED Indicates when beverage has reached its perfect temperature and more. Improved Battery Life 10 oz - 1.5 hours14 oz - 80 minsAll day when placed on charging coaster. Auto Sleep Intelligently senses when to turn on and off. Temperature Range 50°C - 62.5 °C. Select your temperature on the mug or with the Ember app. Is there an app for that? 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.Cleaning your gearHand wash your mug with warm, soapy water and a soft sponge. After washing, dry your mug off completely before placing it on the charger by either hand drying or allowing it to air dry.For best results, we recommend using a wooden or silicone spoon to stir as a metal spoon can damage the Ember's coating.