1.Bee venom Joint Repair Roller Ball is a body care roller ball specially designed to relieve pain in knees, joints, shoulders, neck and lumbar spine. Made with advanced technology and materials, the ball can provide comfortable massage and therapeutic effects to help users relieve joint pain and muscle discomfort. 2. Efficiently relieve pain: The joint repair ball adopts rolling massage method, which can directly act on the painful parts to help relieve the soreness of knees, joints, shoulders, neck and lumbar spine. 3. Comfortable use experience: The ball adopts ergonomic design, feels comfortable in the hand, and is easy to hold and operate. Whether at home, in the office or on the go, you can use it anytime for a comfortable massage experience. 4. Multifunctional design: Joint repair roller balls are not only suitable for relieving joint pain, but can also be used to relieve muscle tension and fatigue. It stimulates acupuncture points, promotes blood circulation, and helps improve physical condition. 5. Easy to carry: The ball is small, lightweight and easy to carry. It can be carried in your handbag, backpack or pocket for massage and treatment anytime and anywhere.