Wrist Ball Fitness Gyro Grip Strength Ball Arm Strength Muscle Training Self-Starting Colored Light Platinum Black Source Manufacturer

Note:

1. Wrist Ball Is a Kind of Sports Equipment That Is Relatively Precise. You Must Pay Attention Not to Fall When Using It.
2. Avoid Foreign Matter Entering the Sphere When Using.
3. When the Wrist Ball Rotates at High Speed, Do Not Touch the Inner Ball with Your Fingers to Prevent Your Fingers from Scratching.
4. Don't Throw High-Speed Sports Balls to the Human Body to Prevent Accidents.