Force Power Gyro Ball LED Multi-Color Auto-Start Arm Exercise Ball Muscle Train

1x Gyro ball. The maximum possible rotation speed exceeds 12,000 rpm, which can generate resistance of up to 32kg. If you want to improve your wrist,

Force Power Gyro Ball LED Multi-Color Auto-Start Arm Exercise Ball Muscle Train

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Force Power Gyro Ball LED Multi-Color Auto-Start Arm Exercise Ball Muscle Train

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