JIN BD Auto-Start Wrist Trainer Ball - Gyroscopic Forearm Exerciser for Strengthening Arms, Fingers, Wrist Bones and Muscles

JIN BD Auto-Start Wrist Trainer Ball - Gyroscopic Forearm Exerciser for Strengthening Arms, Fingers, Wrist Bones and Muscles

Q: What is the material inside the wrist ball? Will it rust?

Mostly plastic with a little metal, it's pretty well enclosed you would have to intentionally try to sweat inside of it to make it rust

Q: People don’t seem to understand my concern? The last image shows the tricep as being the muscle in the front. This is incorrect

Your right the slide shows that the tricep is the bicep, and the bicep is the tricep.

Q: My gyro doesn’t light up? Is there something I need to do? Thanks

Sorry, you bought it without lights.

Q: My gyro ball completely stopped working after several use. How do I get a refund?

If you can still return it, then you can do that. If you are past that return date, contact the company to see if they'll get you a new one.

4.0/5

Product ID: 576001933

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Details

Brand
JIN BD
Material
Silicone
Colour
BLACK Without
Age range (description)
Adult
Item weight
0.28 Kilograms

👜Compact & portable design

💪Dynamic power control

⚙️Self-starting gyro tech

Frequently Bought Together

JIN BD Wrist Trainer Ball Auto-Start Gyroscopic Forearm Exerciser Gyro Ball for Strengthen Arms, Fingers, Bones and Muscles

FitBeast Grip Strengthener Forearm Strengthener Hand Grips Strengthener Kit - 5 Pack Adjustable Resistance

FitBeast Grip Strength Trainer, Finger Exerciser, Forearm Strengthener 9-Piece Kit, Hand Grip Strengthener Targeted Strength, Relief & Recovery

Description

⚡ Spin your way to unstoppable strength!

EFFORTLESS SELF START - No cords or batteries—just wind and go for instant wrist activation.
REHAB STRENGTH BOOST - Clinically inspired to enhance blood flow and rebuild strength from fingers to shoulders.
CUSTOMIZABLE RESISTANCE - Control your workout intensity by varying wrist speed for tailored muscle engagement.
ANYWHERE ANYTIME FITNESS - Lightweight and pocket-friendly to keep you strengthening on the move—office, gym, or travel.
ENDURING MECHANICAL POWER - Centrifugal force keeps the gyro spinning strong for sustained training sessions.

The JIN BD Auto-Start Wrist Trainer Ball is a sleek, battery-free gyroscopic exerciser designed to strengthen wrists, forearms, and upper arm muscles. Featuring a self-starting mechanism and adjustable resistance through wrist speed, it delivers a dynamic workout that promotes muscle recovery and enhances grip strength. Its compact, lightweight design makes it perfect for professionals seeking discreet, effective fitness anytime, anywhere.

Specifications

Age Range	Adult
Color	BLACK Without Light
Style	Wrist Ball
Construction	molded
Shape	Round
Material Type	Silicone
Number of Items	1
Outer Material	plastic
Sport	Exercise & Fitness
Batteries Included?	No
Brand	JIN BD
Manufacturer	JIN BD
Item model number	10000
Product Dimensions	7.37 x 5.79 x 0.1 cm; 281 g
ASIN	B09F69X3FW

Have a Question? See What Others Asked

What is the material inside the wrist ball? Will it rust?

People don’t seem to understand my concern? The last image shows the tricep as being the muscle in the front. This is incorrect

My gyro doesn’t light up? Is there something I need to do? Thanks

My gyro ball completely stopped working after several use. How do I get a refund?

Common Questions

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TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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