Features: 1[Useful]The automatic mixing cup uses magnetic force and 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. 3[Not Off-center]The self-stirring mug with the fixed rotor not the off-center fixed rotor not off-center. Specification: Description:The 380ml coffee mixing cup is made of 304 stainless steel PP & ABS plastic and the bottom silicone is stable and non-slip to use. When adding boiling water or rotating the rotor will not deviate from the center which can avoid the risk of accidental eating.Features:[Useful]The automatic mixing cup uses magnetic force and 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.[Not Off-center]The self-stirring mug with the fixed rotor not the off-center fixed rotor not off-center.[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 and students.Specifications:Color: White; Black; Pink; Coffee (Optional)Material: 304 Stainless Steel ABS PPCapacity: 380mLVoltage: 5V/1ABattery: 1*3.7V 400mAhWorking time: Can be used about 90 times after a full chargeOccasion: Home Office Outdoor etcItem Size: 14*9*13.7cm / 5.51*3.54*5.39inchPackage Size: 12.5*11.5*15cm / 4.92*4.52*5.9inchPackage Weight: 365g / 0.8lbPackage List:1 * Self-Stirring Mug1 * Stirring Magnet1 * Magnetic Charging Cable1 * User GuideNote: Attention: No power can be turned on the red light will be displayed when charging and the blue light will be displayed when fully charged. It takes about 1 hour to charge a single charge. The data is for reference only please refer to the actual usage. Package List: 1 * Self-Stirring Mug1 * Stirring Magnet1 * Magnetic Charging Cable1 * User GuideNote: Attention: No power can be turned on the red light will be displayed when charging and the blue light will be displayed when fully charged. It takes about 1 hour to charge a single charge. The data is for reference only please refer to the actual usage.