Type 1 just pour hot water over 85 degrees Celsius to automatically stir by thermal induction. Type 2 just press the switch to quickly cool down and mixing the drink. The automatic mixing cup uses magnetic force and fluid self-stirring technology to stir the liquid in the cup. With a sealed mug cover, no need to worry about liquid splashing. The self-stirring mug with the fixed rotor, not the off-center fixed rotor, not off-center. It can shake and cool coffee, milk, juice, medicine, protein powder, etc. Suitable for men, women, the elderly, children, students.