1、Stainless Steel Material: Crafted from premium 304 stainless steel, this self stirring cup guarantees safety, healthiness, and a robust lifespan. You can rely on it for years of use, assured of its durability and reliability. 2、Convenient Automatic Stirring: With this automatic mixing cup, there's no need for a spoon. Simply add your favorite powder into the cup and press the key to enjoy your beverage. It's convenience at its best. 3、Portable Design: Designed for portability, you can take your self mixing cup wherever you go. Whether you're at home, the office, the gym, or school, you can enjoy your favorite drinks anytime, anywhere. 4、Long Lasting Battery Life: Equipped with a built in 300mAh lithium battery, this self stirring cup provides lasting power. Charged by a USB interface, you're ensured of long hours of use, no matter where you are. 5、Multifunctional Use: Not just for coffee, this self stirring cup is perfect for other beverages like shakes, protein powders, milk tea, butter, coconut oil and other drinks. Item Type: Self Stirring Cup Material: ABS, Silicone, 304 Stainless Steel Battery Type: Lithium Battery (Shipped with Built in Battery) Battery Capacity: 300mAh Power Supply: USB Interface Capacity: 380ml 1 x Self Stirring Cup 1 x Straw 1 x Charging Cable 1 x User Manual