- Adjustable Fit for All : Designed to fit both left and right shoulders, the heated shoulder strap adjusts to chest circumferences from 27 to 55 inches and arm circumferences from 9 to 16 inches, ensuring a comfortable fit for both men and women. - Customizable Heating and Vibration : Experience tailored relief with three adjustable modes. The temperature settings range from 40℃/104℉ to 75℃/167℉, offering a gradual increase in heat to suit your preference, along with added vibration for enhanced relaxation. - LED Indicator for Easy Monitoring : The integrated LED temperature display allows you to effortlessly select your desired heat level. Additionally, a low battery warning activates when the level drops below 5%, ensuring you stay informed and can recharge promptly. - Muscle Relief and Convenience : This heated shoulder strap soothes frozen or tense muscles, providing comforting warmth and relief. Ideal for anyone dealing with shoulder discomfort, it is perfect for use during work, relaxation, or even while sleeping. - USB Charging for Ultimate Portability : The innovative USB charging design means you can easily charge the shoulder strap and use it without being tethered. It is a convenient solution for on-the-go relief, whether at home, in the office, or while traveling. Use this heated shoulder strap to alleviate discomfort after long hours of sitting, to aid recovery after exerting physical activity, or simply to enjoy soothing warmth during cold days. This is an essential device for anyone seeking effective shoulder care.