Auto Self Stirring Mug Coffee Cup 350ml Newest Stainless Lazy Automatic Self Stirring Coffee Mugs Mixing Tea Cup Button Pressing. This hot stainless plain lazy self stirring mug is specially designed to auto mixing tea, coffee, etc. Just press the button on the handle, it will do self mixing immediately. No spoon any more, quickly stirring cup for both home and office use. Just press the button on the handle to do self mixing, easy and convenient. Mute mixing impeller and sealed mug cover, no need to worry about liquid splashing. High-quality stainless steel and food grade plastic made, safe and durable. Material: stainless steel/food grade plastic. Battery requires: 2 x AAA battery. Dimension: approx. 16 x 8. 3 x 6. 4cm. Volume: approx. 350ml. Weight: approx. 330g. Color: Green/Black/White/Red/Blue/Yellow available, Suitable for Perfect for lazy tea, coffee lover both at home or in office.