This LED wrist ball, part of the Sports Pro Plus line, is ideal for musicians and other hand-intensive professions. By utilizing the principles of centrifugal force and inertia, this gyroscope-based device can effectively strengthen hand muscles. Unlike other products, it requires no batteries or electricity and is simply powered through wrist rotation. Get a grip on your hand strength with the Gyroscope Force Wrist Power Ball LED New.
Specifications:
- Gyroscope Force Ball LED Power Gyro Wrist Ball
- Condition: Brand New LED Wrist Ball Speed Gyroscope Power Ball
- Name: Gyroscope wrist ball
- Material: Zinc alloy rotor + PC plastic shell
- Colours: Green
Package:
- 1 * Gyroscope power ball
- 1 * Starting rope
- 1 * Hand strap
- 1 * Manual