Forget cold coffee and the microwave! Ember Mug 2 keeps your drink at the perfect temperature — between 120°F and 145°F — for 80 minutes on battery or all day on its charging base. Control it via app or let it remember your default of 135°F. It auto-starts when full, sleeps when empty. Scratch-resistant, water-resistant, and effortlessly sleek — maximum comfort, minimum fuss.