Led Wrist Ball Trainer Relax Gyroscope Ball Muscle Power Ball Gyro Arm Exerciser Rechargeable Batteries Capacity: Large

Capacity: Large

Stainless Steel

Durable 600D Oxford Cloth: Strong

Capacity: 16oz

Voltage: 230V/50-60Hz

Led Wrist Ball Trainer Relax Gyroscope Ball Muscle Power Ball Gyro Arm Exerciser Rechargeable Batteries Capacity: LargeDescription: 1. Make Arm Great Again. Strengthen fingers, wrists, hands, forearms, shoulders, and biceps, etc. It also can be beneficial in promoting coordination and blood circulation. 2. This certainly requires some fine motor skills in order to use it. The dominant hand arm was easily able to keep the gyro ball going, it will help refine you're fine motor skills in that non dominant hand arm. 3. Small, compact, and transportable, you can take it