Wrist Trainer Ball Auto-Start Gyroscopic Forearm Exerciser Gyro Ball for Strengthen Arms, Fingers, Bones and Muscles
Original price was: $18.99.$17.09Current price is: $17.09.
Price: $18.99 - $17.09
(as of Jun 23, 2025 16:33:47 UTC – Details)
From the brand
The product includes: JIN BD wrist ball Blue LED light model, brand card, ball bag, safety rope, instruction manual, gift box
Automatic start: The upgraded version uses a built-in pre-tensioner to start, and no starting rope is required. Press the inner ball with your thumb and move your thumb in the direction of the arrow to start the internal spring. The working principle is simple and environmentally friendly. By rotating the wrist, the ball core rotates at high speed, generating centrifugal force, so that the wrist feels a certain resistance.
Suitable for assisting: Long-term use of computers or mobile phones, carpal tunnel syndrome, repetitive stress injuries, etc. are more common. By continuously and indirectly strengthening the muscles and flexibility of the forearm and wrist joints, it can significantly improve muscle strength, flexibility, and promote blood circulation.
Sports Assistance: It is beneficial for grip training, fitness, golf, tennis, rock climbing, cycling, cricket, martial arts, etc. It has an auxiliary effect on improving finger grip and grip strength.
Exquisite Design: The Powerball can be carried anywhere, whether in the office, gym or at home, it can be used as a toy to relieve stress at any time, and it can also exercise finger grip strength training.
A chic gift: The gyro ball is a great gift for children who love sports, restless middle-aged people and people who work in the office for a long time, guitarists, pianists and other musicians
Quality Assurance: JIN BD Torsion Ball is rigorously tested by factory machines, warehouse inspections, and manual re-inspections. This product does not require battery power. Wrist rotation interacts with the internal ball core to generate centrifugal force to maintain efficient rotation. The faster the rotation speed, the greater the force generated.
Tips: If the wrist strength ball you received cannot start smoothly or work properly, please contact us in time, we will help you solve the problem and teach you how to use it correctly.
Customers say
Customers find the wrist trainer effective for strength training, particularly for wrists and forearms, and consider it a fun fidget toy that’s addictive to use daily. Moreover, the grip strength aspect receives positive feedback, with customers noting it’s challenging to hold on to. However, the functionality and build quality receive mixed reviews – while some say it works well and is well-built, others report it barely works and breaks after minimal use. Additionally, the ease of use and value for money are also mixed aspects, with some finding it easy to get going and good for the price, while others say it’s hard to master and not worth the money. The spinability is a significant concern, as customers report it doesn’t spin as needed and only lasts for 20 seconds.
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