42 ° C Constant Temperature ° 42 ° C Constant temperature circulation heating: Efficient maintenance of nutrient milk, and you can drink milk while it is heated. Keeping the Milk Warm When the weather gets cold, the warm milk soon becomes cold, the heat sack can hold the heat for a long time, your sweet baby can enjoy healthy, warm milk. Practical Zipper Opening Design Zipper opening design, removable wash liner and fabric cover (heating plate should not be washed, fabric cover can be washed), cleaners and more toiletries. Wide Range of Applications This baby bottle warmer keeps you evenly warm and can stretch to fit most baby bottles. It is easy and safe to use. Fully Compatible with a Variety of Power SuppliesThe power cord is USB interface, compatible with most 5V2A mobile power, most 5V2A charging head, most 5V2A car charger (power must be more than 1.5A to drive the heating film, it is recommended to match., Manufacturer: Zerodis