Features a fluid self-stirring technology that makes it different from any other self-stirring cup. A premium quality fluid motor works promptly upon the press of a button.This stainless coffee mug can be used as a normal cup for drinking if you do not need stirring function. It's also easy to wash, but do not use a dishwasher or clean by full soaking.It is extremely easy to operate, just press the automatic stirring button on the cup, and the propeller at the bottom will rotate, mixing the solute and solvent particles into a beautiful foam.Morning sip of morning coffee. This automatic blender is the best way to mix and brew coffee. Suitable for almost all drinks!WARM TIPS: Self Mixing Cups requires 2 AAA batteries(Not include), please ensure that the battery is installed after the bottom cover is sealed. NOT dishwasher safe; DO NOT microwave;Hand wash ONLY,DO NOT wash in the water to prevent the use of water after the impact. Please wash it after drinking immediately .