Dynaflex Powerball

Powerball strengthens and improves coordination of fingers, hands, wrists, arms and shoulders. Great for sports (it is endorsed by the PGA) as well as for prevention and treatment of ailments such as carpal tunnel syndrome. Essential if you use a keyboard all day. Powerball measures 2 3/4" diameter. Runs on 2 AAA batteries (order separately). 90-day warranty.

Features:

• Powerball strengthens and improves coordination of fingers, hands, wrists, arms and shoulders.
• Great for sports (it is endorsed by the PGA) as well as for prevention and treatment of ailments such as carpal tunnel syndrome.
• With the push of a button, the new Powerdock™ automatically activates the gyroscopic Powerball™.