Grip ball, decompression ball, aeration ball, computer keyboard ball, finger sports massage ball, elastic finger recovery ball (blue)

English: Features 1. This item adopts high-quality material and a textured surface, providing a fantastic and comfortable tactile experience. 2. Perfect for training finger flexibility against stiffness and for rehabilitation, exercising hand muscles and improving hand strength. 3. Squeeze, roll, or press the ball to relieve tension and reduce stress. 4. Due to its small size and light weight, it is convenient to carry, allowing you to relax your hand anywhere, anytime. 5. Suitable for people who are climbers, bodybuilders, computer workers, badminton and ping-pong enthusiasts, etc. Specification Description: This item aims to relieve joint pain, stress, and muscle tension due to computer work, basketball, badminton, etc. With its small size and ultra-light weight, you can massage your hand by squeezing, rolling, and pressing this ball anytime, anywhere. Features: 1. This ball is made of high-quality material and has a textured surface, providing a fantastic and comfortable feel. 2. Perfect for training finger flexibility to combat stiffness and for rehabilitation, exercising hand muscles, and improving hand strength. 3. Squeeze, roll, or press the ball to relieve tension and reduce stress. 4. Due to its small size and light weight, it's convenient to carry, allowing you to relax your hand anywhere, anytime. 5. Suitable for climbers, bodybuilders, computer users, badminton and ping-pong enthusiasts, etc. 6. This product is available in five different colors, with slightly varying degrees of hardness. Specifically, they become harder in this order: yellow, orange, red, blue, green.