Product Specifications: Cup material: food grade aluminum+ABS Control method: one key to open easily Voltage: 110 V / 220V Material: aluminum (Cup Body) Refrigeration Mode: semiconductor Refrigeration Minimum Cooling Temperature: 6 Product Plug: US/EU/UK Cope of application: beer/beverage/coffee/wine/yogurt/juice, etc. Product Size:12 * 12 *16 cm/4.72* 4.72* 6.29in Cup:diameter 9 cm /3.54in, Height 10 Cm/3.93in Package Included: 1 * Cooling Cup 1 * Power adapter Feature: 1. The cooling cup can cool the beverage by 5C in a few minutes, which is 4 times faster than the refrigerator. The cooling function of the cooler can quickly reduce the temperature by 20C, and the method of use is simple and quick. After turning on the power and turning on the switch, the temperature begins to cool. 2. 2 MODES OF USE : You can put the bottle in the refrigerator .You can also pour the beverage directly into the refrigerator and cooling faster. 3. Easy to use: Just pour the drink into the cup or pour the bottled drink directly into the cup. If you put the beverage bottle directly into the cup, please note that water will be added. A button can turn on the cooling mode, and the freezing point can be reached quickly, the cooling temperature can be reduced to 5 degrees. 4. Quiet and power saving: Built-in silent machine, no noise, please rest assured when using it indoors. 420ML capacity cup suitable for most beverage bottles or cans, with ergonomic grip also can be used as a daily cup without the holder. 5. Applicable places: Suitable for many places and drinks, suitable for families, houses, bars, cafes, hotels, restaurants, parties, buffets, etc. Provide more cooling for whiskey, cocktails, frozen drinks, ice cream, yogurt, juice, etc. Enjoy fresh food anytime, anywhere. 6. Summer Office Cooling Cup, One Key Operation, Farewell to Cumbersome, Have Beauty and Strength, Can Carry Private Cooling Cup.