Specification:Condition: Brand NewItem Type: Bottle WarmerMaterial: Cotton Polyurethane BlendsOptional Type: #1 #2Instructions for Use: Voltage 5V current 1A to 2A. Ordinary mobile phone computer USB ports power banks etc. can be usedEnvironmental Note: No fluorescent agentWashing Instructions: The heating components need to be taken out during washingPackage List:1 x Insulation Cover1 x USB Heating Sheet