1、Stable Stirring: This cup can automatically mix the drink well without splashing, which will better release the flavor in drink. 2、Fine Top Switch: The switch button is on the top of handle, so the operation is very simple and can be completed within on hand. 3、Good Insulation: Silicone sealing piece with stainless steel will firmly fix your cup to keep the beverage hot for about 3 hours. 4、Quicker Cooling: Auto stirring enables sufficient physical cooling, which allows you to fully enjoy your drink in a few minutes. 5、Extensive Using: Can be widely applied to blend various beverages, including but not limit to coffee, honey, milk and so on. 1 x Self Stirring Cup Item Type: Self Stirring CupMaterial: ABS, stainless steel, silicone. Capacity: 400mlLiner: Plastic LinerBattery: 2 x AAA battery, not included. Weight: 264 g / 9.31 oz(approx.)