Description
- Unique in the world of popular leisure and fitness sports,
- the world's fastest man-power devices. No battery
- the strength of the arm and wrist produce high-speed rotation and tremendous centrifugal force,
- which is equivalent to 50 different dumbbell weight, about 14 kg 8000 r / min.
Function: Comprehensive Fitness Exercise Model Number: Fitness Exercise Material: plastic Size: 80mm Package List: 1 * Powerball with LED speed meter 1 * Starting rope 1 * Hand strap 1 * User manual
