Features 1.Graphene Heating Technology: The use of advanced graphene material as the heating element makes this hand warmer lightweight, thin, and exceptionally stable in performance. 2.Dual Sided Large Heating Area: The double sided heating membranes provide instant and widespread warmth, ensuring thorough heating for your entire body. 3.Intelligent 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 50°C upon power on. 4.Versatile 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. 5.Materials 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. 6.Easy to Clean: With a water electricity separation design, you can effortlessly clean the hand warmer, making it resistant to wash, without worrying about shedding. Specification Item Type: Graphene Heated Handwarmers Bag Weight: 260g/9.17oz Material: polyester fiber and graphene heating sheet Temperature Setting: high 55℃, medium 45℃, low 37℃ Charging Method: USB Package List 1 x Hand Warmer ;