Self-Controlling Temperature - The rotator cuff-wrapped shoulder strap has a power adjustment function. - The user can adjust the temperature of the rotator cuff-wrapped shoulder strap by adjusting the power voltage button. - You can set the temperature quickly and conveniently to suit your needs. - Practical design. Shoulder Support Brace - The heated shoulder brace massager helps you to relax the knee and improve muscle stiffness around the shoulder. - The heating will further warm up your knee to relieve muscle soreness and reduce joint swelling. Adjustable Size - This shoulder massager can be worn by men and women. - It can adjust the pressure according to your needs, provide customized comfortable compression, and easily adjust the sling to the length and comfortable position you want. Note - Do not apply the heated area directly to the skin. Use a towel, cloth or bed sheet as the interface between the product and the skin. - Shoulder support is very suitable for torn rotator cuffs, dislocated AC joints, sprains, paralysis, strains, stiffness, soreness, etc. Applications - After rotator cuff injuries or surgery to ease stiffness and promote relaxation. - After workouts or long periods of activity to relieve shoulder muscle soreness and stiffness. - During travel or desk work to provide targeted heat and compression for ongoing comfort.