Digital Spinner Forearm and Wrist Strengthener Tracking your instant speed and force maximum speed and force training time---KYTO2482
Brand KYTO Fitness Technology
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How to use
Tracking your training
Tracking your instant speed, instant force, maximum speed,
maximum force, historical maximum force, and how much time you have spent training.
Muscle training from wrist to elbow: fingers, wrists, forearms, upper arms,
biceps, triceps, and shoulders, improve arm strength and flexibility, prevent tendonitis.
Easy to use