This Auto Magnetic Mug has got no blades, no holes, and never leaks! It uses state-of-the-art mixing technology and is different from any other self stirring mug, as it doesn't have a motor. Just push the button and in a matter of seconds you will have a perfectly mixed brew. Take your magnetic mug with you to the living room, bedroom, or even the car without spilling a drop, thanks to its leak-free lid! A great gift idea, this Auto Magnetic Mug provides a hassle-free way to prepare your cappuccinos and other mixed drinks while boasting a modern and stylish design! Details Material: Stainless Steel Volume: 13.5 oz (400 ml) Certification: CE, EU, FDA, CIQ Requires 2 x AAA batteries (not included) Package includes: 1 x Auto Magnetic Mug