Specification Brand : Duokon BulletPoint1 : 【Cooler functions】: With cooling down to 0℃, your beverage will cool down or warm up in minutes.(Please note: since the sensing distance is 0‑10mm, it is difficult to completely heat or cool the beverage if the diameter is too small.) BulletPoint2 : 【Warm suggestions】: 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.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. BulletPoint3 : 【Easy to use】: The car cooling cup holder adopts environmentally friendly Aluminum alloy + pp material, simple design, easy to use with one‑key refrigerator and one‑button heating. BulletPoint4 : 【Portable and multifunctional】: Good for road trip, party, commuting, picnic, coffee‑lovers or heating milk for child. Portable size, smaller than traditional beverage fridge, good for individual or family use. BulletPoint5 : 【High quality products】: It has the characteristics of fast cooling speed, high efficiency, low energy consumption, small size and no pollution. It can be placed in the car water cup position, office desk and other environments. Color : defult ExternallyAssignedProductIdentifier : 8440045904048 IncludedComponents : storage holder IsDishwasherSafe : 1 ItemName : Quick Cooling Cup Holder, Portable Cup Cooler Auto Refrigerator for Outdoor Travel 12V Cigarette Lighter Plug ItemPackageDimensions_Height : 14 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 17 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ice-buckets Manufacturer : Duokon Material : default ModelNumber : M4223FKD011L NumberOfItems : 1 PartNumber : Duokonq14kb5ginv1364 ProductDescription : How to Use: 1. Connect the telescopic cup holder bracket to the host. 2. Put the host into the water cup holder of the car and plug in the car charging source. Put in the canned beverage and select the function key to start the work. 3. The product is in a standby state when it is powered on, and the display shows the real‑time temperature. 4. Press the switch for the first time to select the cooling mode, the cooling light is on: the host starts cooling, and the temperature of the display starts to drop. 5. Press the second switch to enter the standby state, and the display shows the real‑time temperature. 6. Press and hold for two seconds to shut down, and the display will turn off after shutting down.