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R=VD Wrist Trainer LED Gyroball Essential Spinner Gyroscopic Forearm Wrist Exerciser Ball (LED Monitor Type)

Product ID : 19645777


Galleon Product ID 19645777
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2,813

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About R=VD Wrist Trainer LED Gyroball Essential Spinner

Function: Muscle Relex Apparatus Material: Pvc Size: 2.83(diameter) * 2.36 (high) Weight: 0.62 pound Principle: the use of gyroscopes (inertial eccentricity + fixed rate) Power: from wrist spin to produce power, without batteries and plug rotation, the faster you generate the stronger the momentum. Rotational speed per minute up to 12,000 (RPM) turn over.