Powerful Mixing Performance: Experience the force of our innovative design as it effortlessly stirs viscous liquids and granular ingredients with a swift press of a button. Boasting a formidable twisting force and a rapid speed of 7000 revolutions per minute, this cup ensures thorough mixing for your collagen water concoctions and beyond. Effortless Cleaning: Say goodbye to tedious cleanup routines. Both the mixing cup and stirring rod are designed for easy cleaning. Simply rinse them with water after use. Plus, with an IPX67 waterproof rating, you can wash the entire body of the cup without worry, tackling dirt and residue with ease. Convenient USB Charging: Say goodbye to the hassle of replacing batteries. Our self-stirring coffee mug comes with a built-in rechargeable battery and includes a USB charging cable for effortless charging. Simply connect the cable to a power source, and your mug will be ready to use whenever you desire. Troubleshooting Made Easy: Encounter a slowdown