Self heating mug: Everlasting Warmth™. The Ui Mug is a revolutionary, self-warming, smart mug that maintains your coffee/tea at the perfect drinking temperature. Crafted with precision, this exquisite piece combines the timeless allure of ceramic with cutting-edge technology for a truly exceptional drinking experience. Its charging base can also wirelessly charge your cell phone. Elevate your coffee moments with the Ui Self-heating Mug today.