- 2-in-1 Car Cup Cooler : Experience the convenience of both warming and cooling functionalities. This device can chill drinks down to -3℃ or heat them up to 65℃ in just minutes, ensuring your beverages are always at the perfect temperature. - Wide Compatibility : Designed to accommodate a variety of bottle shapes, including irregular bottoms. For best results with mineral water bottles, add 2cm of water as a conductive medium. Suitable for heating and cooling materials such as aluminum, iron, plastic, and glass. - Durable Materials : Constructed from ABS and PVC for a sleek yet robust design. Compatible with DC-12V car power supplies and home adapters, making it versatile for different settings. - Energy Efficient Performance : This cooling and heating cup holder boasts a fast cooling speed and high efficiency while maintaining low energy consumption. Its compact size ensures it fits seamlessly in your vehicle or home, providing an eco-friendly solution for beverage temperature control. - Versatile Use Cases : Ideal for road trips, office commutes, outdoor picnics, and parties. Perfect for keeping drinks like cola, beer, wine, and even warming milk for coffee lovers. Enjoy refreshing cold drinks in summer or a steaming cup of coffee in winter. Transform your beverage experience with this essential cup cooler that fits into your lifestyle, whether at home or on the go.