Upgrade Self Stirring Mug, Rechargeable Auto Magnetic Mug Automatic Stirrer Coffee Cup Stainless Steel for Coffee/Milk/Tea/Hot Chocolat (Black)

USB RECHARGEABLE - Electric mixing cup 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 MAGNETIC STIRRING CUP - Stirring mug ideal for stirring coffee, tea, hot chocolate, milk, protein shakes, lemonade, bouillon and many other light mix drinks that you can stir SAFE AND RELIABLE - The inside of the magnetic coffee mug is made of food-grade 304 stainless steel, which is rust-proof and durable. We use double stainless steel and vacuum isolation technology for the inner and outer tank of the cup, which will not leak and scald your hand SELF STIRRING COFFEE MUG - Automatic mixing cup is the best and easiest way to mix hot or cold drinks! mixing cups with lids allow you to take beverages from the kitchen to the living room, bedroom, car, office, gym, school, etc NOT OFF- CENTER - Automatic magnetic stirring coffee mug adopts the design of fixed rotor. When adding boiling water or rotating, the rotor will not deviate from the center, which can avoid the risk of accidental eating