Wrist Power Gyroscopic Ball

BS0421

Come and see our amazing products. Strengthen the strength of the arms, wrists, and fingers, which is conducive to promoting coordination and blood circulation. The wrist ball is a purely artificial power mechanical device, which does not use batteries or any power source. Enhance finger grip, wrist endurance, and the toughness of finger ligaments, and have a certain relief effect on computer mouse hands. Using the principle of the spiral instrument and celestial mechanics, using centrifugal force and the law of inertia to generate strong power when rotating, the arm is in an active state of motion, and the user controls the rhythm and intensity of the movement through the rotation of the wrist. Pls confirm with us about the packing info, stock color and exact production time before placing your order.