In 1 functions: Warmer & Cooler functions. With cooling down to 0°C and heating up to 65°C your beverage will cool down or warm up in minutes.
Wide Compatibility: For irregular bottle bottoms, such as mineral water bottles, we recommend placing 2 cm of water in the cup as a conductive medium when you use it. Suitable for heating various materials like aluminum, iron, plastic, glass, etc. Among the conductive media, aluminum is more conductive, followed by steel, iron, glass, and plastic.
Easy To Use: The car cooling heating cup holder adopts ABS+ environmentally friendly aluminum material, a simple design, easy to use with a one-key refrigerator and one-button heating. You can cool or heat your drinks by switching the mode and then waiting for it to work.