Features1Graphene Heating Technology: The use of advanced graphene material as the heating element makes this hand warmer lightweight, thin, and exceptionally stable in performance. 2Dual Sided Large Heating Area: The double sided heating membranes provide instant and widespread warmth, ensuring thorough heating for your entire body. 3Intelligent Temperature Control: With three adjustable temperature settings high, medium, and low this hand warmer is easy to use and caters to various needs. It quickly heats up to 50DegreeC upon power on. 4Versatile Usage: This hand warmer can be used not only for warming hands but also for warming shoulders, waist, abdomen, uterus, and legs, offering a range of comfort options. 5Materials for Optimal Warmth: The outer layer is made of down fabric, which provides high density insulation, while the inner lining is filled with fiber cotton, creating a lightweight, thin, and cozy hand warmer that efficiently locks in warmth and protects against the cold. 6Easy to Clean: With a water electricity separation design, you can effortlessly clean the hand warmer, making it resistant to wash, without worrying about shedding.SpecificationItem Type:GrapheneHeatedHandwarmersBagWeight: 260g/9.17ozMaterial: polyester fiber and graphene heating sheetTemperature Setting: high 55, medium 45, low 37Charging Method: USBPackage List1 x Hand Warmer