Wrist Ball Gyroscopic Wrist and Forearm Exerciser Workout Power Ball with Digital LCD Counter

Specifications:

• Novelty design with LED lights, which is fun to see how fast you can get it spinning.Not only have sound, but visual cues, as to how fast the ball is turning.The cool humming sound getting louder as this spins up,computer balanced inner gyroscopic rotor for VIBRATION FREE operation at up to 15,000 RPM.
• Performance Digital LCD counter displays various vital workout information, including historical top speed; Cool LED lights inside will light up while spinning, no battery needed.
• This exerciser is a great way of strengthening your grip and exercising your wrist and forearms.This Gyro Ball is definitely a great workout compares to using regular grip strengtheners.This makes it easy to hand to a friend, and see if they can beat your speed.
• Exercise has never been more fun. This competition exercise gyro ball comes with a Battery-free and LCD counter that gives you vital information on your Spinner exercise routine. Know the current total revolutions, Speed in RPM, or have some fun and see what's the maximum RPM you can achieve on your Spinner. All Resbo sport wrist balls are tested to be vibration free at up to 15,000 RPM.
• This gives you an amazing wrist and forearm workout wherever at home, office, or the park.Recommend this to all people who suffer from arthritis, carpel tunnel, joint aches, or weakness in the arm/hand.It is being used for carpal tunnel syndrome, by musicians, for improving performance in sports, as well as, helping in repetitive stress for computer terminal operators.