The USB Electric Mixing Cup is a must-have for anyone looking to easily mix protein shakes, baby formula, milkshakes, smoothie mixes, meal replacement drinks, creatine, and other powdered supplements. With its detachable design, the cup can be removed for easy cleaning. The leak prevention design ensures that the cup is completely sealed and will not leak, making it convenient to carry on the go. The professional waterproof switch effectively prevents any liquid from entering the switch. Cleaning is a breeze - simply add water and detergent, spin for a few seconds, rinse, and you're done. This compact and lightweight mixer is perfect for the gym, office, or when traveling. It is the best way to mix your favorite drinks without any clumps or lumps. The USB Electric Mixing Cup has a capacity of 450ml and is made of high-quality materials including ABS, AS, and SS304. It measures 20*8.5*6CM and can be powered by 2 AAA batteries (not included) or through USB charging. The package includes 1 Electric Protein Shaker (batteries not included). Say goodbye to messy and time-consuming mixing methods and upgrade to the USB Electric Mixing Cup for a hassle-free and efficient way to mix your drinks.