OB Colourful Metal Self-Starting Wrist Ball

 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)