The RUTAWZ Knee Massager with Heat and Vibration is a cordless smart massager designed to provide joint support and muscle relaxation. This upgraded, portable massager is tailored to ease knee stiffness, improve circulation, and provide a rejuvenating massage with its three adjustable vibration levels, multiple heat settings, and a selection of massage modes. The ergonomic design includes 4D pressure massage and infrared heat therapy, ensuring muscle relaxation and knee health support. Whether you're recovering after exercise, managing daily discomfort, or seeking relaxation, this knee massager offers a customizable and portable solution.