Take your coffee to the next level with the Ui Self Heating Mug Set Series. This collection includes the Ui and Ui Plus with both featuring a self-heating base that keeps your drink at the perfect temperature for hours. Moreover, the Ui Plus set features a dual-purpose charging pad that heats your mug and wirelessly charges your smartphone. With up to 25 watts of power, it’ll charge your device in no time. Furthermore, each mug holds up to either 12 or 18 oz of liquid and has an auto-shutoff feature that deactivates when it reaches its maximum temperature setting. Finally, with this tech mug series, you’ll never have to worry about burning your mouth again! Keep it cool and sipping all day long!