1. This water cup has a large capacity of 650ML to meet your drinking water needs. Convenient for you to carry while traveling, exercising, outings and hiking. The cup is well sealed to prevent water leakage. 2. The high power of 7000RMP can quickly stir the water-powder mixture, and use the stirring cup to automatically stir with one button, saving time and effort. 3. The cup is made of high quality tritan and ABS material, which is very safe and can be used with confidence. 4. Three colors for your choice. 5. Practical Gifts - This is a great gift for relatives, friends, lovers, colleagues around you. Specification: Color include: pink, white, black Size: 9.2*9.2*20cm Capacity: 650ml Weight: 333g Battery capacity: 1200 mAh Motor speed: 7000rpm Input voltage / current: DC5V1A Rated air pressure: 3.7V Power: 3W Package includes: 1pc* mixing cup