Features:-The wireless controller is free to move, so your range of activities is no longer limited to being near the charging port, eliminating tangled cords.-Heating knee pad provides 3 adjustable heating settings: low temperature is 45℃/113℉, medium temperature is 55℃/131℉, high temperature is 65℃/149℉.-Equipped with two powerful massage motors for deep vibration. It can provide a soothing massage to tissue muscles, helping to further relax aches and pains.-With 2 extension straps, the heating knee pad can be used on legs, knees, elbows, arms, shoulders, etc. an elbow brace. Ergonomically designed and fully adjustable to your height and shape.-Easy to use, intelligent control with only 3 buttons, temperature and vibration mode, and accidental .