-Perfect for traveling, office, car, anniversary, gift giving -The design of the Lid has a cooling and pluggable straw hole -Double-layer stainless steel material is sift-proof and it is easily operable, efficient, and long-lasting usage A fluid self-stirring technology makes agitating vane work promptly upon the press of a button The best way to stir and take your coffee and your favorite beverage, such as chocolate, milk tea, milk powder, or cocoa -The design of the handle with a hidden button, just press the button on the handle to do self-mixing Features; -Convenient -Simple Operation -Powered by two AAA batteries (Not Included) Specifications; Product Dimensions; l=14.2cm x h=14.6cm x w=10.2cm What's in the box 1 x Automatic Self Stirring Mug