Five Temperature Settings: The highest position is about 52℃(125.6°F), low position is about 38℃(100°F), precise temperature control, can be adjusted according to your needs and constant temperature Heating mode: using the matching charging head (QC18W) fast heating constant temperature, only about 10-15 minutes can be 200 ml of water from 25℃to 40℃ Using the car or rechargeable treasure low-speed heating can be continuous heat preservation Night feeding: Adjust to the right temperature before going to bed, it can be kept at a constant temperature, convenient for night feeding, no need to wait. Applicable Material: unique wear-resistant material, suitable for all kinds of bottles on the market. You don't have to worry about the wrong size. Suitable for Various Occasions: support car, mobile charging cable and mobile power, plug in the power supply can be heated at will.