Automatic Magnetic Stirring Coffee Mug with Non-slip Coaster---This is the savior of lazy people. There is a built-in magnetic device at the bottom of the cup body.Just pour your favorite powder(coffee ,butter,coconut oil,etc) into the cup and press the switch. After 30 seconds, it will automatically stop stirring and you can enjoy the drink Safety & Reliable---Main material: ABS (cup body)+304 stainless steel (inner tank)+PP (cup cover, magnetic stirring core).The double-layer design of the cup body will not be hot when pouring boiling water into the cup.Solid lid also reduces any spillage Magnetic Adsorption Charging---Self Stirring Mug uses a magnetic data cable, and the charging head can be charged close to it. No need for batteries, save money, very safe and environmentally friendly, eliminating the trouble of replacing batteries Easy to Clean---The magnetic stirrer at the bottom of the cup can be quickly removed and put back in place for easy cleaning. The larger diameter makes cleaning more convenient, and the 90MM wide-caliber palm can be easily inserted into the cup for cleaning Wide Application---Self Stirring Mug is great for coffee, hot chocolate, milk, protein shakes and many other lightly blended beverages that can be whipped. It's also the perfect gift for office, travel, Father's Day, Mother's Day, Christmas, Thanksgiving, and more