【Auto Magnetic Stirring Coffee Mug】This is a life saver to lazy people. No need for a spoon, just add your favorite Powders ( coffee ,cocoa powder, hot chocolate, milk, protein shake,) to the cup, press the button,and you can enjoy drinks,Whether at home，Office，gym, school 【USB Rechargeable】The Rechargeable Self-Stirring Mug is equipped with a 300mAh battery. Using magnetic stirring technology, it can stir up to 90 cups of drinks on a single full charge 【Easy to operate】Press the button to start automatic stirring, which stops after 30 seconds. The separable magnetic stir bar is easy to clean. NOTE: Recommend using warm water. When using 100-degree Celsius boiling water, the magnetic stirring rod may shift from the center. Avoid swallowing 【Easy to clean】The automatic mixing cup is made of food-grade ABS and food-grade 316 stainless steel.it is easy to clean it with running water, but do not use the dishwasher or completely soak for cleaning 【Creative Gift】Perfect for coffee, hot chocolate, or protein lovers, this self-mixing mug is ideal for home, travel, office, or picnics. Great for any occasion—Father’s Day, Mother’s Day,Valentine's Day,Christmas, Thanksgiving, or Halloween Self Stirring Coffee Mug with lid,Self Stirring Mug suitable for Coffee, Milk, Cocoa and Other Beverages