Product parameters: Product material: diving material Product size: strap length 103cm; width 9cm Charging voltage: 7.4V Charging current: 1A Charger cable length: 150cm Boot time: long press for 10 seconds Battery indicator: red light <high temperature>, blue light <medium temperature>, green light <low temperature> Temperature range: 60-65, 55-60, 50-55 Features: Compared with the existing models in the market, the length and width of the straps increase the heating area; No need to be plugged in, the power bank can be carried around with you, which is convenient and fast; Targeted and highly effective thermal therapy that easily wraps around multiple areas of the body such as arms, elbows, wrists, ankles and calves for pain relief. Targeted heat therapy: The heating pad has a long, slim design that wraps easily around multiple areas of the body like the arm, elbow, wrist, ankle, and lower leg, providing targeted pain relief Stays in place: Flexible heated wrap stays in place with elastic ends that fasten securely to the pad for a snug fit and hands free use Clinically proven treatment: Heat is clinically proven to relieve pain associated with muscle tension and stress; It increases blood flow to the source of the pain, which accelerates tissue healing Moist heat option: Spray the pad with water to provide deep penetrating pain relief