400ml black 400ml automatic stirring coffee cup, lazy electromagnetic coffee cup, mug battery type AZ9717 Feature[Automatic magnetized cup, a healthy magnetized gift]: Long-term drinking of magnetized water can help nutrient absorption, improve gastrointestinal function, promote body metabolism, and improve immunity.[Stainless steel coffee cup]: The stainless steel heat preservation design is very suitable for keeping the water temperature within 3-4 hours during travel or journey. It is durable and has a long service life. In addition, even if the stirring function is turned on, the sturdy sealing lid can avoid any spillage.[Automatic stirring coffee cup travel mug]: A good choice for travel, without worrying about water leakage. The use of fluid self-stirring technology makes it different from any other self-stirring cups. The handle has a hidden button design, it can be mixed automatically by just pressing the button on the handle, because it can mix cream, sugar and coffee at the same time in a few seconds, so it can save time.[Easy to use and clean]: No need to press the button all the time, just put two AAA batteries into the bottom of the cup, then add water and powder to the cup, press the switch on the handle, the blender will start to work (not including batteries); If you don't need the stirring function, our stainless steel coffee cup can be used as an ordinary water cup. It is also easy to clean, but do not use the dishwasher or completely soak clean.[Ideal gift choice]: Humanized lid design, easy to drink, our lid has a small hole for heat dissipation, and a hole for inserting a straw; it can be used for coffee, hot chocolate, protein powder or Other drinks are the best gifts for family, friends and colleagues.