This portable beverage cooler is compact and lightweight. It can be used at home, in the office, or on the traveling car, so that you can enjoy a cold drink in the hot summer. The beverage cooler features dual heat dissipation design, large capacity and fast cooling effect. Built-in cooling plate is quiet and no noise, easy to operate, just press the button, it will give you the best experience It can hold beverages and bottled water. Refrigeration cups with semiconductor refrigeration technology can refrigerate liquid beverages. Aluminum sheets can freeze, But the beverage cannot be freeze below zero, and the beverage must be at least 8-10 degrees Product parameters: Input voltage: 100V-240V Output voltage: DC-12V Current: 3A Power: 28W Rated frequency: 50Hz Cup capacity: about 350ml The shell and bottom cover are made of ABS material, and the cup is aluminum cup The XiaoIce refrigeration cup is not always plugged in. In order to prevent the condensed water from overflowing, it is set to be turned off for 12 hours Refrigeration time is about 15 minutes at 10 degrees Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan and so on. voltage: AC100-240V size: 125 x 125 x 100mm Material: Aluminum+ABS colour: white silver Package Contents: 1 x Fast Cooler Cup 1 x Power adapter 1 x Chinese and English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.