Description:

It is application by centrifugal force & inertia like a gyroscope.
There is no any battery or electricity inside the device, it is powered by rotating the wrist, and the speed of rotation can reach over 12.000R.P.M

Function:
1.Perfect exercise gadget for sports like golf, tennis, squash, cricket, badminton, baseball, bowling, basket-ball, motocross, mountain climbing.
2.Increase strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders.
3.Great benefit for musicians, guitarists, pianists, drummers.
4.Rehabilitates sore muscles and joints.

Specification:
Name: Gyroscope wrist ball
Material: Zinc alloy rotor+PC plastic shell
Colors: Purple/Green

 

 

 

Includes:

 

 

 

1 x Gyroscope power ball
1 x Starting rope
1 x Hand strap
1 x Manual