specification: Item Type: Heated Wrist_x000D_Product Material: OK Cloth, Graphene Heat Sheet_x000D_Product Size: Approx. 38 x 9cm / 15.0 x 3.5in Features: 1Improve blood circulation, the temperature reaches the deep skin, releases far infrared light waves, relieves soreness. 2Graphene has a fast heating speed, is resistant to bending, is not easy to break, and consumes little energy and is safe and convenient. 3Intelligent temperature control, three levels temperature adjustment, low, medium and high three levels, easy to adjust the required temperature. 4Charging and plugging dual purpose, free wireless, easy to carry, USB power interface, power bank power supply design. 5Hot compresses are the key to reducing pain and improve wrist discomfort caused by cold, strain, and sprains. PackageList: 1 x Heated Wrist 1 x USB Cable