Product Name:WB386L with 6pcs LED light
Product Name:WB186 with 4pcs LED light
Model:
Material:PC OR ABS OR PMMA
Detail:
Dynamic:
There is no any battery or electricity inside the device, It is application by centrifugal force & inertia like a gyroscope. It is powered by rotating the wrist. The faster we rotate the ball,
the stronger the dynamic and torsion is produced. The speed of rotation can reach over 12,000 RPM.
Function:
1.Perfect exercise gadget for sports like golf, tennis, squash, cricket, badminton, baseball, bowling, basket-ball,, motocross, mountain climbing.
2. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders
3. Great benefit and avoid the ligament injuries who are the typists, musicians, guitarists, pianists, drummers,
4. It can make the hurt hand return to original condition by degrees and rehabilitates sore muscles and joints.
5. it can make the circulation of the blood better in a short time,