Product name: graphene electric heating neck belt 

 Product material: no down 

 Product color: sea green, rose red 

 Rated power: 4W 

 Rated voltage: 5V 

 Applicable people: low-headed people, cervical spine discomfort, rich bags, etc. 

 Heating temperature: 35℃ at low temperature / 53℃ at medium temperature / 70℃ at high temperature