This Electric Support Kneepad comes with a built-in heating and vibration massager that helps ease knee pain and discomfort. The knee brace wrap provides 3 heating levels and 3 vibration levels right to your knees for pain relief and injury recovery. It has a reinforced stabilizer that ensures the knee cap remains in its proper position. The heating pad can be wrapped around and locked at any knee or extend to the thigh or calf positions where you need heat compress. You need not have to hold it with your hands anymore. Achieve pain relief by simply wearing this kneepad support.