▎ 摘　　要

NOVELTY - The utility model claims a graphene cup sleeve, comprising a cup sleeve body, a cup sleeve seat, a thermistor and a USB interface, the cup sleeve body is a hollow structure with upper and lower two ends through; the cup sleeve body from inside to outside in turn is a first diving cloth layer, a first waterproof TPU layer, a graphene layer, a second waterproof TPU layer and a second diving cloth layer; the thermistor is embedded in the graphene layer; the bottom of the cup sleeve body is provided with a cup sleeve seat; the surface of the cup sleeve seat is embedded with a USB interface; the thermistor is connected with the USB interface; the cup sleeve of the utility model is capable of warming hands for a long time under the condition of continuously supplying power; heating the water in the cup; the inner and outer of the graphene layer are provided with a waterproof TPU layer and a diving cloth layer; the use is safe; As the cup sleeve, it can protect the cup.