A. Free-related description: This electric protein shaker cup is made of certain materials. Free-related (Here, the meaning of "free" is not clear in the context, so it is translated literally). It has a drop-resistant function and may not be damaged even if dropped. It also comes with a handle for convenient carrying. (Fully charge the electric shaker cup before the first use.) B. Automatic stirring: With a relatively high rotation speed of 7000 revolutions per minute, manual shaking may not be necessary. It stirs evenly without clumping and may be more easily absorbed by the body. Add warm water and detergent, turn on the machine, and the shaker cup can clean itself automatically. Do not put the cup in the dishwasher. C. Leak-proof design: This protein shaker cup adopts a triple leak-proof design for comprehensive protection. The cup lid is equipped with a rubber ring, which can effectively reduce water leakage. D. Operation mode and clear dual scales: When working, press and hold for 2 seconds to turn on the device; click to stop stirring. It has a 60-second power-off protection function. The electric shaker cup can be fully charged in 2 hours and can be used for about 45 days after a full charge (calculated based on using it three times a week). Electric stirring only takes about 15 seconds for a good mix. E. Dual-scale cup body design: The cup body has two scales in milliliters and ounces. Through the scales, you can quickly get the required capacity and avoid complex unit conversions. F. Perfect gift: This cute cup can be a nice gift. It's a suitable present for family members, friends, and colleagues who love coffee, hot chocolate, protein powder, or other drinks that need to be stirred. It's suitable for family morning coffee, office use, and travel, and can also be a good gift for occasions such as Father's Day, Mother's Day, Christmas, Thanksgiving, Halloween, Black Friday, and Mondays. G. Electric shaker cup: Automatic stirring cup Protein powder mixing cup: Stirring cup Model: Shaker cup Product name: Automatic stirring cup Product capacity: 650 milliliters Product net weight: 330 grams Battery capacity: 1200 mAh Motor voltage: 3 volts Rated power: 7.4 watts Rated voltage: 3.7 volts - 2 amps Color: Blue Material: ABS + PP Dimensions: 121×90×196 millimeters Package contents: 1 automatic stirring cup Only the above package contents are included, and no other products are included. H. Note: Light reflection and different displays may cause slight differences between the color of the items in the picture and the actual object. A measurement error of plus or minus 1 - 3 centimeters is allowed.