Lighted Wrist Ball Hand Strengthen Trainer Multifunctional Luminous Sports Exercises Fitness Device Muscle Relex Color : White - PATF18

Precautions:
The wrist ball is a kind of more sophisticated sports equipment, so be careful not to drop it when using it.
When using, avoid foreign objects from entering the ball.
When the wrist ball rotates at high speed, do not touch the inner ball with your fingers to avoid scratching your fingers.
Do not throw the high-speed rotating ball at the human body to avoid accidents.

Principle: Use gyroscope (eccentricity + constant rate of inertia) Power: Rotate the wrist to generate power. No battery or plug-in rotation is required. The faster the kinetic energy, the stronger it will be. The speed can reach 12,000 revolutions per minute (RPM).
Function: Enhance grip, endurance, wrist strength, arm strength and other sharp weapons, and can promote blood circulation, strengthen wrist ligaments, and reduce sports injuries

effect:
Suitable for people like golf, bowling, baseball, basketball, volleyball, handball, tennis, badminton, kendo, etc. Those who rely on their wrists can make you stronger and stronger.
People who are engaged in computer typing and strumming to avoid injuries to ligaments.
Wrist workers often need more exercise.
Rehabilitation function to avoid muscle stiffness.

Advantages: The smallest and strongest kinetic energy ball in the world is suitable for all ages and is not limited by space. It can be used at any time and anywhere in family activities, such as watching TV, climbing mountains, outings and car offices.

Lighted Wrist Ball Hand Strengthen Trainer Multifunctional Luminous Sports Exercises Fitness Device Muscle Relex Color : White - PATF18