1. Targeted heat therapy -- The heating pad is longer, at 100cm. This extension is designed to easily wrap multiple parts of the body, such as arms, elbows, wrists, ankles and legs. With the best heating element, it heats up quickly within 30 seconds, allowing the heat to be evenly distributed to muscles, tissues, and joints of the body. Provides targeted pain relief and reduces inflammation by increasing circulation. 2, fixed in situ - flexible heating wrap fixed in situ, fixed end firmly fixed on the mat, comfortable fit, hands-free use. The internal non-slip design provides a double guarantee when applying heat to treat muscle aches, stiffness, cramps and aches. 3, 3 heating Settings - One button control 3 kinds of heating Settings, the highest temperature can reach 75 degrees, can quickly relieve joint pain and promote blood circulation. Built-in intelligent control chip ensures stable heating and prevents overheating. 4, durable: This heating sleeve uses 110-240V to 12V power adapter. Low voltage output ensures long life and safe use Gross weight: 276g Operating voltage: 12V Working current: 1.6mA Temperature: 55, 65, 75 degrees Gross weight: 276g Product size: 100*9cm Packing list: Binding *1 Instruction *1 Power cable *1