1. Food-Grade Materials: Made of food-grade material, safe for use. The sturdy mixing cup and sealing ring help prevent liquid leakage, and the ergonomic design is easy to hold and drink from. 2. Easy to Use: Simply press the button on the handle and the electric mixing cup will blend ground coffee and hot water to create a cup of espresso. 3. Powerful Performance: Features an upgraded electric shaker with a high-speed motor that creates a strong vortex, effectively mixing protein powder, coffee, or other beverages evenly without clumps or residue. 4. Large Capacity and Portable: This large-capacity automatic stirring mug doubles as a convenient travel bottle for on-the-go use. 5. Safety and Durability: Double-walled construction provides improved durability, insulation, and heat retention. The non-slip PVC base adds stability and safety when handling hot beverages.