INSTANT COOLER--- Cup Cooler adopts advanced refrigeration chip, the cup cooler can cool the drink to -2℃ - 5℃ in 16 mins. The instant cooling cooler can lower the temperature of the metal base to 20℃ within the 30s.
EASY TO USE --- Two cooling methods, sinking and reversing. Just pour the beverage into the aluminum cup or put the drink bottle directly into the aluminum cup. Please attention that adds some water if you put the drink bottle directly into the aluminum cup