MAGNETIC ROTATOR - The rotor adopts magnetic adsorption, allowing the small rotor to be removed during the cleaning process. The automatic magnetic coffee mug can be directly washed under the faucet, eliminating concerns about leakage. DUAL PURPOSE LID - The Electric Self Mixing Mug is suitable for large sips of coffee, milk tea, etc., and can be used with a straw for elegant drinking. USB RECHARGEABLE - The Automatic Magnetic Coffee Cup is USB rechargeable, eliminating the need for battery replacement, making it more environmentally friendly. The battery compartment is sealed to prevent water leakage, ensuring safety. VERSATILE MIXING CUP - Our Stainless Steel Cup is ideal for mixing coffee with creamer, milk, tea, hot chocolate, milkshakes, lemonade, syrups, or other light beverages. WIDELY USED - With a lid, this self stirring coffee mug is ideal for office, car, and home use (fits most car cup holders), making it easy to carry while on the go.