Pros
Automatic start
Cool colored lights
No strange vibrations
Cons
Slight learning curve.
Tech specs
item package dimensions l x w x h | 3.19 x 3.03 x 2.83 inches |
product dimensions | 2.9L x 2.28W |
color | BLACK Without Light |
shape | Round |
item weight | 0.28 Kilograms |
package weight | 0.28 Kilograms |
material | Silicone, Polycarbonate |
brand name | JIN BD |
outer material | plastic |
item dimensions lxwxh | 2.9 x 2.28 x 0.04 inches |
customer reviews | 4.2 4.2 out of 5 stars 2,913 ratings 4.2 out of 5 stars |
style | Fitness and hipster fun |

Product Overview
The JIN BD Wrist Trainer Ball is the perfect product for anyone looking to increase the strength of their fingers, wrists, hands, forearms, biceps, triceps and ligaments and shoulders. Its designed to help you restore muscle strength and promote blood circulation. The convenient design makes it great for use in the office, gym or at home as a toy to decompress. Ive been using this product for a few weeks now and Im really impressed with it.
The Wrist Trainer Ball is made from silicone and has a round shape. Its lightweight and easy to carry around, so you can take it with you wherever you go. The material is soft to the touch and doesnt irritate your skin like some other products can. The ball also has cool colored lights inside that light up when it rotates, which adds an extra bit of fun while restoring muscle soreness.

In terms of ease of use, the ball is incredibly user friendly. All you have to do is push the core in the direction of the arrow and it will start by an internal spring no need for complicated instructions or difficult setup steps. Additionally, the ball rotates for a long time without needing any strange vibrations or worrying about it stopping when moving. This makes it perfect for long periods of use if needed.
Overall, Im very pleased with my experience with this product. Its well made with high quality materials and does exactly what it claims to do when used properly increase strength in your arms and hands while promoting blood circulation. Additionally, its convenient size makes it great for taking along on trips or using at home or in the office as needed. For anyone looking for an effective way to restore muscle strength without putting too much strain on their body, I highly recommend giving this product a try!
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