About this item Auto Magnetic Stirring Coffee MugThis is a life saver to lazy people. No need for a spoon, just add your favorite Powders ( Bulletproof coffee ,butter,coconut oil,heavy cream,etc ) to the cup, press the button,and you can enjoy drinks Whether at homeOfficegym, school, etc. Support Magnetic ChargingThe third-generation automatic stirring cup supports magnetic adsorption charging. Once charged, it can be used 60 times. There is no need to replace the battery frequently, which is more environmentally friendly, water does't seep into the battery area and more safer. Easy to operatePress button to start automatic stirring .Stirring without splashing, automatically stops in 30 seconds. Separable magnetic Stir Bar, corrosion-resistant, easy to clean, tested and strongly adsorbed to the bottom of the cup, avoid swallow . include 2Pc Stir Bar for long lifespan. Material & Easy to cleanThe automatic mixing cup is made of food-grade ABS and food-grade 304 stainless steel. The double-layer design of the cup body will not burn your hands when the boiling water is poured into the cup.it is easy to clean it with running water, but do not use the dishwasher or completely soak for cleaning. Novelty GiftIs it a headache when there is a Birthday, Anniversary, Thanksgiving, Christmas that you need to send gift? Why not take this self mixing coffee mug? Novel, funny but also practical, what an ideal present.