The Fitness Body Building Odometer Booster Power LED Wrist Ball Grip Round Ball is an easy-to-use tool that helps to strengthen fingers, wrists, hands, forearms, shoulders and biceps as well as promote co-ordination and blood circulation. All you need do is to increase the speed by making a rotational wrist movement and to keep in sync with the spinning of the ball. The faster you spin the harder your muscles work. It is powered by rotating the wrist and the speed can reach up to 12000RPM. Internal LED bulbs will light up when the ball is in rotating. Bring it home and have a try by yourself!
FEATURES
Help to strengthen fingers, wrists, hands, forearms, shoulders and biceps as well as promote co-ordination and blood circulation
Easy to use, all you need do is to increase the speed by making a rotational wrist movement and to keep in sync with the spinning of the ball
The faster you spin the harder your muscles work
Powered by rotating the wrist, the speed can reach up to 12000RPM
Rehabilitate sore muscles and joint, great for musicians, guitarists, pianists and drummers
Counter function allows you to check your rotating speed
Internal LED bulbs will light up when the ball is in motion