Product Description Product Description 1.When your wrist/arm/shoulder is uncomfortable, or you work with computer/mobile for a long time, or you don't have time to go to the gym, you can use gravity ball, The above centrifugal force, in turn, increases the strength of the wrist, hand, forearm, biceps, triceps and ligaments. 2. The core has its own light bar, and as the speed increases, different stages will produce different colors. It will be really fun during exercise. 3.Gyro Ball Exerciser is a fun and easy way to exercise. Cool physical self-starting mechanical operation, just hold the ball and rotate it around your fingers, the wrist can feel the power from the rotation, the play of power and beauty, and the pressure is released sharply and vividly. 4.〖GIFTS FOR MEN AND WOMEN〗This spinner is exquisite in details and fits well in the hand, so it can be given as a gift. Item No. 6246bebc-b291-4ed0-8d1d-8182074466fb Read more