Features: Experience the convenience of our Upgraded Self-Stirring Coffee Mugs, boasting a 400ml capacity and a USB rechargeable design for effortless drink mixing. Made from durable 304 stainless steel, ABS, and polypropylene materials, this electric self-stirring mug features a high-efficiency motor and a spill-proof lid, ensuring stable use. Perfect for busy professionals, students, travelers, and coffee enthusiasts who value efficiency and simplicity in their daily routines. Ideal for quick brews at the office, home use, or creating the perfect drink on the go, this rotating mixer mug seamlessly adapts to any environment. Elevate your beverage experience with this portable self-stirring mug, engineered to mix coffee, milk, protein shakes with precision and style. Specifications: Component: 304 Stainless Steel, ABS, Polypropylene Size: Approx. 12x13CM/4.72x5.11inch Color: White/Blue/Tangerine Capacity: Approx. 400ml Package Includes: 1pc Self-Stirring Coffee Cup Note: Please allow 1-2cm errors due to manual measurement. Make sure that you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thank you!