JIN BD Auto-Start Wrist Ball, Gyroscopic Desk Toy & Wrist Trainer（Black LED Light Model）

About this item

• Product Includes:JIN BD Black Gyro Ball (Colorful Light), a gift box, a storage bag, a wrist strap, and a brand card (scan the QR code to access tutorials and after-sales service).
• 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.
• Friendly Reminder: If this is your first time using the product, please scan the QR code on the brand card to access the built-in tutorials. 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.
• 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

Overview

• Brand: JIN BD
• Material: Acrylonitrile Butadiene Styrene (ABS)
• Color: Black Wrist Ball (Colorful Light)
• Age Range (Description): Adult,Youth
• Item Weight: 0.33 kg