【ONE-TOUCH AUTOMATIC STIRRING】Just press the button to activate the automatic magnetic stirring system in this self stirring coffee mug. It mixes coffee, tea, hot chocolate, milk, or protein shakes evenly and quickly—no manual stirring needed. 【SIMPLE BATTERY-POWERED OPERATION】This automatic stirring cup is easy to use and powered by 2 standard AAA batteries (batteries not included), offering cord-free convenience for home, office, or travel without the need for charging. 【LEAK-PROOF & PORTABLE DESIGN】The secure screw-on lid and sealed base make this stirring mug leak-proof and ideal for carrying. It helps maintain your drink's temperature from your kitchen to your car or desk. 【EASY TO CLEAN BY HAND】The stainless steel interior and simple design allow for easy rinsing. For best results and to protect the auto stirring mechanism, please hand wash only (not dishwasher safe). 【VERSATILE DRINK MIXING SOLUTION】Perfect for a wide range of hot and cold beverages including cocoa, lemonade, and powdered drinks. This self mixing mug is your go-to for a smooth, clump-free drink every time.