High-quality material: Made of high-quality PC material, safe and durable. The sturdy mixing cup and sealing ring prevent liquid leakage, and the simple design is easy to hold and drink Electric mixing cup: The electric protein shaker generates strong force when mixing protein powder, making the protein powder uniform in seconds Easy to use: Just press the button at the bottom and the cup will start mixing and stirring. 8.5cm large diameter, easy to clean Portable: It is lightweight and portable, easy to carry to the gym, office or travel, and is the best way to mix protein shakes, baby formula, milkshakes, smoothie mixes, meal replacement drinks, creatine and other powdered supplements How to use: 1. Add warm water first, then add powder 2. Press the button to start mixing 3. Shake the powder well and press the button to close Specifications: Material: ABS (lid), PC (body) Capacity: 350-450ml Battery capacity: 500mAh Size: 10.5cm high, 8.5cm upper diameter