Specially designed for the cup holder in the car, paired with a cup holder telescopic bracket, suitable for all models of different sizes. The cup holder is firmly fixed and easy to install.Fast cooling/heating without long waiting, using advanced semiconductor Peltier technology, with a temperature difference of up to 68 C between the front and back faces.And through the high thermal conductivity system of aviation aluminum, it tightly adheres to the cold and heat conduction, directly transmitting the cold and heat into the liquid, which is 5-10 times the speed of traditional refrigerators conducting cold and heat through air! Enjoy a cold drink in 15 minutes and a hot drink in 5 minutes. Refrigeration can reach 0 C and heating can reach 60 C. The open aluminum cup design is easy to install and clean, and the silicone cover is sealed to prevent water leakage when overturned. Packaging: 1 * Car cooling cup 1 * Car charging cable 1 * Coffee cup