Relieve Your Muscle: This VEVOR chiropractic massager combines 68 - 149℉ adjustable heat with 400 - 4600rpm stepless random orbit vibration, effectively easing your muscle and enhancing body comfort right at home Personalized Massage Experience: Use the intuitive vibration dial and heat buttons to tailor your massage for daily muscle fatigue relief; ideal for neck, back and shoulder after long sitting or workouts Safety and Comfort: Equipped with a 24V DC motor and built-in overheating protection for secure and smooth massage experience. And the high-elasticity, skin-friendly TPU soft cushion delivers a gentle touch for long-lasting comfort Silent Operation: This vibrating massager runs smoothly with low noise, minimizing friction and vibrations during use to provide a quieter and more comfortable experience Wide Voltage Compatibility: Includes a safety-certified wide-voltage power adapter, supporting 100–240V worldwide for added convenience