WIRELESS AND RECHARGEABLE: Enjoy thermal therapy anytime, anywhere, and even use our knee massager on the go for a rejuvenating massage. Great for road trips, travel, exercising, cooking, work, car use, office, etc. Solve most joint problems: 1) Pain when walking stairs or moving joints; 2) Extreme joints during climate change or cloudy days (low pressure) Pain; 3) Frequent discomfort or lack of flexibility in the joints; 4) Swelling or stiffness in the joints after physical activity in the afternoon or evening Dual therapy of massage and heating: The rechargeable knee thermal massager provides a powerful vibrating massage that helps Designed to reduce joint pain, muscle stiffness and joint swelling in knees, shoulders, arms and legs, and improve your range of motion; advanced optional heating boosts circulation, keeps knees warm in seconds and further relieves muscles Physiotherapy for soreness and spasticity relief: Comfortable neoprene brace, easy to wear, designed and FDA registered. The ideal gift for family, friends and yourself. Combine the green benefits of bamboo charcoal and jade heat with massage vibrations to further relieve your joint pain