FeatureThe automatic mixing coffee cup is lightweight, easy to carry and detachable. It can be used as a normal cup for drinking. Easy to OperateSimply press the button once to start the automatic stirring.7000rpm stronger for stirring, make your drinks fully mix and completely fused, taste more smooth. MaterialElectric mixing cup is made of glass material, high temperature resistance. The lid was made of silicone, durable and wear resistant. PortableElectric Mixing Mug is 11*8.2cm in size, easy to carry wheather you work, home, or travel. ApplicationSelf Stirrings Mug suitable for coffee, tea, hot chocolate, milk, protein shakes, lemonade, and many mix drinks that you can be stirring. Specification: Material: GlassCapacity: 400ml Size Chart: 11*8.2cm/4.33*3.23inch Package Includes: 1pcs Self Stirrings Cup Note: Please allow slightly errors due to manual measurement and different monitors.