The Arm and Hand Power Ball Muscle Strength Training Device is a compact and innovative fitness tool designed to help you improve grip strength, increase arm and hand muscle strength, and relieve stress and tension. Its unique gyroscopic technology provides a challenging and effective workout that can be tailored to suit all fitness levels, while its compact design allows you to take it with you wherever you go. Whether you're a fitness enthusiast, athlete or someone looking to improve your overall hand and arm strength, the Arm and Hand Power Ball Muscle Strength Training Device is the perfect tool to help you achieve your fitness goals.
Feature:
Exercise part: arm strength/wrist strength/chest muscles/back muscles
Power supply: AG12 button battery
Can display exercise duration, exercise intensity, real-time speed
The principle of centrifugal force. The greater the speed, the greater the inertia generated, and the greater the force control required to drive the body's muscles.
The curved handle fits the wrist, and it can be held firmly even if it vibrates strongly
