Easy to use: This is a temperature-sensitive automatic mixing cup. It requires 2 AAA batteries (not included) and does not need to be plugged into a power source. It is a good choice for travel, without worrying about water leakage. Ideal gift choice: This cup is suitable for mixing instant coffee with coffee mate creamer, hot cocoa powder, chocolate, honey, syrup, sugar crystals, etc. It is simple and easy to use, suitable for everyone, regardless of gender, children, family and friends Ideal mother's day gift. Self-stirring coffee travel cup: The automatic mixing cup adopts a fixed rotor design. When adding boiling water or rotating, the rotor will not deviate from the center, which can avoid the risk of accidental eating; suitable for mixing thick, paste, ice cubes, oatmeal and Other solids that cannot be dissolved quickly. Stainless steel coffee cup: The automatic mixing cup is made of food grade ABS and food grade 304 stainless steel. The double-layer design of the cup body will not burn your hands. It is durable and has a long service life. Moreover, even if the stirring function is turned on, the sturdy sealing lid can avoid any spillage.