Heating & Vibrating Knee Brace Wrap helps relieve knee pain and relax muscles. It’s Easy to use the Knee Massager: Long press the button to start or turn down, then switch the heating or massaging mode. You can control it individually or enjoy the two functions at the same time （NOTE:To prevent low-temperature burns to the skin caused by long-time use, this product will automatically shut down 30 minutes after starting. If you want to continue using it, please restart it.） Heating & Massage are relief for arthritis and swelling.Knee brace wrap provides powerful vibration massage and comfortable heating; helps reduce joint pain, muscle stiffness and joint swelling Heats up in 20 seconds, provides a comfortable steady temperature from 45°C – 65°C. Stimulate blood flow and improves circulation to keep knee warm and helps injury recovery