Description:\n\n\tName: Graphene new Smart USB heating vest\n\n\n\tLevels Temperature Setting (Manual adjustment):\n\n\n\tBlue light for Low level: 30 \u00b0C (10000mAH power bank can keep heating..<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t