JIN BD Wrist Trainer Ball Auto-Start Gyroscopic Forearm Exerciser Gyro Ball for Strengthen Arms, Fingers, Grip and Muscles
Product details
| Management number | 231768521 | Release Date | 2026/06/18 | List Price | US$5.41 | Model Number | 231768521 | ||
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- Start-up Method: The upgraded automatic start spring design eliminates the need for a pull cord. Simply press with both thumbs and push forward (8–10 times), then release. As the wrist rotates, the rotor quickly generates centrifugal force, providing resistance to your wrist and forearm for an efficient workout. Easy to start anytime.
- After-sales Guarantee: If the wrist gyro ball you received cannot start smoothly or operate normally, please contact us in time, we will help you solve the
- Product includes: JIN BD Black Diamond Gyro Ball (non-LED version),a gift box, a storage bag, a wrist strap, and a brand card (scan the QR code to access tutorials and after-sales service) If you still have questions or encounter any difficulties, please contact our customer service promptly. Our support team is ready to provide assistance in real time.
- Suitable for assisting: Long-term use of computers or mobile phones, carpal tunnel syndrome and repetitive stress injuries are common. By continuously and indirectly strengthening the muscles and flexibility of the forearm and wrist, it will significantly improve muscle strength, flexibility and promote vascular circulation.
- Health Benefits: Arm Strength Ball improves blood circulation and strengthens fingers, wrists, hands, forearms, biceps, triceps, ligaments and shoulders
- Quality Assurance: JIN BD torque ball has been tested by factory machines, warehouse inspection and manual re-inspection. The product does not require battery power. The wrist rotation interacts with the inner ball core to generate centrifugal force to maintain efficient rotation. The faster the speed, the greater the force generated.
| ASIN | B094GX1JRR |
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| Size | 2.9x 2.9x 2.28" |
| Color | Blue (Colorful Light) |
| Ball Type | Gyro Ball |
| Brand Name | JIN BD |
| Sport Type | Exercise & Fitness |
| Unit Count | 1.0 Count |
| Item Weight | 331 Grams |
| Manufacturer | JIN BD |
| Model Number | 10000 |
| Item Diameter | 2.9 Inches |
| Material Type | Alloy Steel |
| Number of Items | 1 |
| Number of Packs | 1 |
| Construction Type | Plastic, Silicone |
| Age Range Description | Adult，youth |
| Manufacturer Part Number | 10000 |
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