Description: Car Cup Cooling Holder: Car Cup Cooling Holder has a fast cooling function, suitable for use in multiple environments, small and convenientLow Noise: Car Cup Mug Holder adopts a silent designing below 45 decibels, which is not easy to disturb others even when used in the officeHigh Cooling Efficiency: Auto Car Cooling Cup Holder has a fast cooling speed and high efficiency, meets the needs of quick cooling, and is suitable for various containers, which is convenient for users to choose according to their needsEasy to Use: Car Tumbler Holder is designed for simple operation, and the cooling function can be started with 1 button, which is convenient and fast. There are cooling vents on the bottom and sidesDeep Barrel Aluminum Liner: Car Tumbler Holder adopts a deep barrel aluminum liner design, which makes the cooling effect more efficient Specification: Material: PPProduct power: 36wProduct voltages: 12vCooling temperature: Cooling temperature: