SPECIFICATIONModel: N1 Max Power: 45WInput voltage: 5V/2A Output voltage: 6.6V-8.4V Battery: 7.4V/4400mAh N.W.: 395g Color: whiteOperating temperature :10~35℃Product size: 81x81x109mm /Function: Defrosting/37℃/40℃/45℃/50℃Warming FEATURE4 TEMPERATURE SETTING: 37℃/40℃/45℃/50℃ to cover your different needs. There’s an additional button “❉” for defrosting if the temperature of milk is below 20℃, helping your hungry baby get the milk in time.4400MAH RECHARGEABLE BATTERY: long duration, USB interface, portable and lightweight, you can warm the milk for your little one wherever and whenever you are.EASY TO USE: Just install it, press the button to start, and indicator light will tell the working conditions. No complicated steps needed!CAREFULLY SELECTED MATERIAL: Made of food grade PP material, more friendly and safer to your little one.CONSIDERATE ACCESSORIES: It’s not just a bottle warmer. We prepare sealing ring and bottle adapter for you, it suitable for various brands of milk bottles! PACKAGE INCLUDEDType-c cable x1Bottle warmer host x1Bottle warmer cover x1Bottle adapter x2Sealing ring x1