Feature:1. [Useful]The automatic mixing cup uses fluid self-stirring technology to stir the liquid in the cup.2. [With Lid]With a sealed mug cover, no need to worry about liquid splashing. Lightweight and compact design, easy to carry.3. [Easy to Use]Just press the switch to quickly cool down and shake the drink.4. [Widely Applicable]It can shake and cool coffee, milk, juice, medicine, protein powder, etc. Suitable for men, women, the elderly, children, students.5. [Durable]Made of high-quality stainless steel assures years of leak free and safe stirring.Specification:Description:The 350mL coffee mixing cup is easy to automatically stir your hot or cold drinks. Simply press the button once to start the automatic stirring. Press it again to stop the stirring. The cleaning is super easy, simply washing it with running water is ok.Features:[Useful]The automatic mixing cup uses fluid self-stirring technology to stir the liquid in the cup.[With Lid]With a sealed mug cover, no need to worry about liquid splashing. Lightweight and compact design, easy to carry.[Easy to Use]Just press the switch to quickly cool down and shake the drink.[Widely Applicable]It can shake and cool coffee, milk, juice, medicine, protein powder, etc. Suitable for men, women, the elderly, children, students.[Durable]Made of high-quality stainless steel assures years of leak free and safe stirring.Specifications:Color: Black; Red; Green; Yellow; Blue; White (Optional)Material: Stainless SteelCapacity: 350mLBattery: 2*AAA battery(Not Included)Occasion: Home, Office, Outdoor, etcPackage Size: 16.8*12*9cm / 6.61*4.72*3.54inchPackage Weight: 380g / 0.83lbPackage List:1 * Self Stirring MugPackage List:1 * Self Stirring Mug