Feature: 1. Under action of a magnetic field, the nature of water changes and becomes magnetized water with biological effects. 2. With one‑button switch, it can easily stir milk and coffee, suitable for home bedroom, study room, office. 3. Selected high‑quality stainless steel + food‑grade plastic materials, safe and non‑toxic, can rest assured to use. 4. Built‑in rechargeable battery, which can be used for one month after 2 hours of charging (combined with frequency of use). 5. With a lid, it is safe and leakproof, and can be used as a water cup by inserting a straw. 6. The bottom of cup adopts polyvinyl chloride pad, good anti‑skid effect, uniform mixing and convenient use. Specification: Condition: 100% Brand New Item Type: Coffee Stirring Mug Material: Stainless Steel + Food-Grade Plastic Capacity: About 400ML Rated Voltage: 3V Rated Power: 3W Built-In Battery: Lithium Battery 1000mAh Weight: Approx. 406g / 14.3oz Size: Approx. 14x9cm / 5.5x3.5in. Package List: 1 x Mug1 x USB Cable1 x Lid1 x Mixing Rod Note: 1. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. The stirring rod should be added with water before use. Don't take it with your hands as it will easily lose its magnetism.