The OB Colourful Metal Self-Starting Wrist Ball is a powerful and effective tool for strengthening your forearm muscles. Enhance your muscle fitness with this reliable and scientifically-designed gyroscope, the OB Powerball Forearm Exerciser. Whether you're a beginner or an expert, this Gyro Wrist Booster Trainer is the perfect hand exercise for improving your grip strength and overall hand dexterity.
Colorful Metal Self-Starting Wrist Ball
Fun Decompression/Gravity Challenge/Strength Mastery
Quality Assurance
Self-Starting Device
Fine Inner Core
New Lanterns
No Charging Required
Simple Operation
Are You Still Upset?
Long-Term Use Of Mouse
Cause Wrist Pain And Weakness
Long-Term Training Transition
Cause Wrist Pain
A Wrist Ball Easily Solve Problems
Feel The Strength Of The Rotating Shaft With The Rotation Of The Wrist
It Can Not Only Exercise Wrist Strength But Also Release Pressure.
Mechanical Structure
The Ball Core ls Made Of High-Quality Carbon Constructional Steel With Stronger Hardness And Greater Degree Of Shock Buffer, High Stability, No Cracking, And More Resistant To Manufacturing
No Power supply Required
Interaction Between Wrist Rotation And Internal Ball Core Centrifugal Force ls Generated To Maintain High-Speed Rotation Of The Core.
Self-Starting Clockwork
It Can Be Smoother When Pushing Forward More Fun And Exciting
Strong And Shatter Resistant
High Strength Elastic Coefficient Impact Resistance Aging Resistance
Variable Speed Colored Lights
With The Acceleration Of The Rotation Speed Of The Ball Core, The Light Will change Color, increase The Sense Of Rhythm And Decrease The Pressure.
Wrist Rope Protection
When Using, Put On A Dedicated Wrist Rope To Avoid The Ball Being Thrown Out Due To Too Much Strength During Playing, Which ls Safer To Use.
Self-Starting Device
Built-In Self-Help Elastic Device Can Be Started With One Push And One Put
Easy Three-Step Play
Step 1
Press The Ball Core Gently With The Thumbs Of Both Hands
Push In The Direction Of The Arrow Until The Ball Core Becomes Unable To Roll Due To Greater Resistance.
Step 2
Quickly Release The Thumbs Of Both Hands That Are Pressing The Core Of The Ball, And Hand The Ball To The Ball Holder To Rotate.
Step 3
"Feel The Power Of The Ball Turning
Use Your Wrist To Move The Ball In Circles, And Follow The Strength Of Your Hand To Continue To Accelerate."
Controllable Power
Pure Mechanical Design, With The Rotation Speed increasing, The Centrifugal Force Becomes Larger, The Unique Sound Waves And Colorful Rhythm increase The Fun By Strength Mastery
Product Information
Product Name: Self-Starting Wrist Ball
Specifications: 70*70*55mm
Core Material:High Quality Carbon Constructional Steel
Shell Material:Polycarbonate Silicone (Anti-Slip Ring)
