Portable and lightweight: This compact mug is easy to carry and place anywhere, allowing you to enjoy hot or cold drinks on the go without hassle. Fast cooling technology: Equipped with a semiconductor refrigeration chip, it quickly chills beverages, reducing wait time and providing instant refreshment in warm weather. quality materials: Made from foodgrade aluminum, the cup is durable, safe for use, and features a simple, elegant design for everyday convenience. Versatile usage: It can be used with car power interfaces (12V1A5A) in vehicles or placed in a refrigerator for faster cooling of drinks. Use scenarios Road trips and daily commutes: Connect to the car's 12V power to chill beverages during travel, providing a refreshing drink without long waits. Home, office, or dorm use: Place the mug in a refrigerator to cool drinks quickly for a convenient, readytodrink option. Travel, hotel stays, or outdoor activities: The compact design and car power compatibility offer quick cold drinks wherever you have access to power or a fridge.