Features： 1、Vibrating Shoulder Massage: The shoulder heating pad provides the maximum heat coverage to cover most of the shoulder pain areas and maximize shoulder relaxation. 2、Relax Muscles: The shoulder pad relaxes the shoulder muscles by heating, speeds up blood circulation, relieves shoulder pain, and makes the shoulder more comfortable. 3、Wide Application: Built in electric heating pad design, heating the shoulder pad can heat the muscle spasm, arthritis, bursitis, tendonitis, and relieve local fatigue and pain. 4、Promote Blood Circulation: The shoulder heating pad promotes blood circulation through hyperthermia, gently stretch the four corners and stick to the hook and loop, you will get more compact protection. 5、Cold Therapy: Built in mesh pockets, heated shoulder pads can be used for shoulder cold therapy, helping to relieve muscle pain, sprains and swelling and inflammation areas, because it can desensitize the area and help control blood loss. Specification： Item Type: Shoulder Wrap Material: SBR elastic nylon + polyurethane Size: Shoulder Strap Length: Approx. 93cm / 36.61in Shoulder Wrap: Approx. 43 x 33cm / 16.93 x 12.99in Characteristic: The entire shoulder has a better compression effect, so that the shoulder is in a more comfortable state. The entire shoulder pad is designed according to the shape of the human shoulder to make the product more fit. Package List： 1 x Shoulder Wrap 1 x USB Cable