1. Low power consumption warning: When the battery level drops below 5%, the massager beeps to remind you to manage usage time and charge it promptly. It is suitable for everyone, whether women or men, as a gift for birthdays, Thanksgiving, or Christmas. 2. Shoulder Support Brace: The heated vibration shoulder massager helps relax the knee and ease muscle stiffness around the shoulder. Simultaneously, the heater provides warmth to your knee to relieve muscle soreness and reduce joint swelling. 3. 3 Adjustable Heating and Vibration Modes: The heated shoulder rest features 3 vibration and heating modes. Red light indicates frequency vibration (131140°F), blue light represents constant vibration (122131°F), and green light signifies lowfrequency vibration (113122°F). 4. FITS EVERYONE: Adjustablesize heated shoulder wrap fits chest circumferences of 2755 inches and arm circumferences of 916 inches. The flexible straps ensure comfort for all users. The shoulder compression sleeve is suitable for both men and women.