• Recommended for coffee lovers, office workers or students. For the mixer feature, just press the button on it. Product features: Thermos Feature is available. When the lid is closed, the beverage maintains its temperature. It is stainless. It is 12*10 cm. It has approximately 200 ml reservoir. It works with 2 thin pencil batteries (AAA). You can easily operate it by inserting the batteries. The batteries are not included in the product. Hand washing is recommended.