Level up your workouts and rehabilitation with the LED Powerball wrist trainer. This innovative gyro ball harnesses resistance technology to strengthen your wrists, forearms, grip, and overall arm muscles. With its builtin LED lights, its not only a...
Level up your workouts and rehabilitation with the LED Powerball wrist trainer. This innovative gyro ball harnesses resistance technology to strengthen your wrists, forearms, grip, and overall arm muscles. With its builtin LED lights, its not only a...