Two in one: Allow the product to cool or heat the beverage. After cooling to -3 ° C and heating to 60 ° C, heat or cool the beverage within a few minutes. You can press the button and wait for it to work to cool the beverage Easy to operate: Following the principles of semiconductor refrigeration and heating, it is possible to heat or cool beverages, water, and bottles with just one click Material: The ABS cup holder environment of the electric refrigeration vehicle is made of aluminum, and the key and key cooler are easy to use and heat. Suitable for DC 12V car power supply and household adapter Gift: This car heating cup is a good companion for business travel. The cup is both cheap and practical, suitable for all seasons, and can be the best gift for birthdays and other occasions Wide compatibility: suitable for personal or family use. In summer, you can have a cold drink or beer while traveling, working, or outdoors. Drink a cup of Hot Coffee anytime and anywhere in winter