MAGNETIC SELF STIRRING TECHNOLOGY - Unique small magnet design. Cup body at the bottom of the built-in magnetic device to drive the magnetic rods at high speed to stir the cup of drinks. A premium quality fluid motor works promptly upon the press of a button. USB RECHARGEABLE - Simply connect the mug to any USB port with the included USB cable no batteries required save you money clean and convenient It can be quickly fully charged in 2 hours very safe and eco-friendly easy to use. IDEAL TRAVEL MUG - Makes the perfect mug for travelling while sipping your morning coffee. Stainless Steel Cup Keep Warm about 2 hours. Designed to work great when you're on-the-go. Solid lid reduces any spill even while stir function is on. Keep bottom lid on tight for best results. Ideal for coffee tea hot chocolate milk protein shakes lemonade bouillon and many other light mix drinks that you can stir. DETACHABLE DESIGN EASY TO CLEAN - The magnetic stirrer at the bottom of the cup can be quickly removed and placed back for easy cleaning but do not use a dishwasher or clean by full soaking. This mug is made of food grade ABS plastic materials and premium-quality stainless steel inside assures years of leak free and safe stirring. making it safe to use for drinking. PERFECT GIFT - A cute mug A cute gift. The best gift for your families friends and colleagues who love coffee hot chocolate protein powder or other beverages that need to be stirred. Perfect gift for home morning coffee office travel Father's day Mother's day Christmas gift Thanksgiving day Halloween Black Friday Cyber Monday etc.