Powerball NSD Autostart Range - Hand, Grip, Wrist & Forearm Rehabilitation & Strengthening Gyroscopes (280hz Fusion Pro)

EXERCISE ANYTIME, ANYWHERE - Power Ball 280Hz Autostart Fusion Pro features a convenient automatic starting function, simply wind the rotor back 3 times and release for an instant, fuss-free start every time - no cord needed! TRACK YOUR PROGRESS - NSD Powerball 280Hz Autostart Fusion Pro is equipped with a multi-function LCD speed meter for precise fitness monitoring, and blue and red induction-powdered LEDs which create a spectacularly-radiant lightshow as you spin at speeds of up to 18,000rpm POWERFUL STRENGTHENING - Powerball is a highly-effective arm exerciser and grip strengthener that generates up to 16kg of isometric resistance for a full upper body workout that rapidly builds muscles in the arms, hands, fingers & wrists EFFECTIVE REHABILITATION - Using Powerball for just 3-5 minutes each day is successfully proven to rehabilitate and soothe all hand, wrist, elbow and arm conditions (eg. sprained wrist, humerus fracture, scaphoid fracture, finger & wrist pain, lateral epicondylitis, numbness in hands and RSI such as carpal tunnel syndrome & tendonitis) FOR SPORT & MUSIC - Powerball is an efficient hand exercise ball that will dramatically improve grip strength, hand & wrist flexibility and finger dexterity, making it a must-have fitness product for all sports players (particularly golf, tennis, climbing, cycling, basketball, cricket, martial arts) and musicians (piano, drums, guitar, etc.)