1. Increases strength in fingers,wrists,hands,forearms,biceps,triceps,ligament and shoulders.
2. Great benefit for musicians,guitarists,pianists,drummers.
3. Rehabilitates sore muscles and joints.
There is not any 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
1 x Force ball
All you want 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. Simple initially a pull-string.
Small, compact and transportable, you’ll be able to take anywhere.
Support fingers, wrists, hands, forearms, shoulders and bicep and so forth., and also be a good idea in promoting co-ordination and blood circulation.
Rehabilitates sore muscles and joint, great for musicians, guitarists, pianists, drummers. Color:Green/blue/red
1.DO not drop the ball on hard surface at any time,the heavy rotor will damage.
2.DO not touch the ball rotor when it is spinning at high speeds,it will burn.
3.DO use this product persons who with heart conditions of any description.
4.It is recommended strongly those children under 12 are supervised by an adult.
5.Keep the inner parts of the ball clean and avoid any oil contamination.
6.Keep away from dust and damp.