- Relieve shoulder pain: This shoulder massager helps ease discomfort from arthritis, strains, stiffness, cold weather and more. The shoulder wrap relaxes tense muscles, promotes blood circulation, and delivers consistent gentle heat to effectively relieve rotator cuff discomfort. It provides instant soothing relief for daily fatigue or chronic discomfort, restoring ease and vitality to your shoulders. - Heating and vibration: Includes 3 level heating and vibration functions. Temperature range 40C/104F to 75C/167F with adjustable massage intensities (high, medium, low). Flexible heating and massage modes offer a personalized relaxation experience that reduces fatigue and tension. - Cordless and portable: Cordless design frees you from cables whether at home, in the office, or on the go. Built-in 5000mAh rechargeable battery delivers up to 120 minutes of continuous heating on a full charge. Includes a Type-C cable for convenient charging and use. - Suitable for everyone: Ergonomic design and can be worn on either the left or right shoulder. Adjustable shoulder straps fit arm sizes 9 to 16 inches and chest sizes 27 to 55 inches, making it suitable for men and women for a snug, comfortable fit. - Use scenarios: Recover after workouts or long days at home; enjoy quick relief during work breaks in the office; stay warm and comfortable during travel or outdoor activities.