▎ 摘　　要

NOVELTY - The utility model claims a graphene heating hand warmer, comprising a graphene heating sheet, and a controller connected with the graphene heating sheet, and connected with the intelligent gateway; the controller is connected with a USB power supply line, further comprising a sleeve; the sleeve is sewed to form a heating cavity through left and right, when heating, double hands are inserted into the heating cavity; the graphene heating sheet is arranged in the inner part of the outer sleeve; and after winding along the inner wall of the outer sleeve, covering the heating cavity; the heat emitted by the graphene heating sheet is acted in the heating cavity after penetrating the outer sleeve; the surface of the outer shell is provided with a square opening; the square opening is equipped with a frame made of rubber material; the inner side of the frame is equipped with a cover made of rubber material; the USB power supply line extends outwards after passing through the frame; the inner core is filled in the outer sleeve; The electric energy utilization rate of the product is large; and it can supply power by the portable charger.