1.Fully automatic temperature difference mixing cup, one-key start to realize automatic mixing. 2.Quick stirring, automatic cooling, more comfortable to use. 3. 304 seamless inner tank, using high-quality stainless steel, can withstand high temperatures, is wear-resistant and durable. 4.This self-stirring mug is the best way to stir and take your coffee. 5.It is the best gift for your family, friends and colleagues on special days such as birthdays, father's day, mother's day, Christmas, Thanksgiving day.