Powerball Arm & Wrist Ball Trainer

STRENGTHEN YOUR ARM & WRIST WITH POWERBALL! This Powerball Arm & Wrist Trainer is a baseball sized handheld device that can be used in a fitness, sports, rehabilitation or fun manner making it fun, pleasurable and very addictive.  With its gentle yet dynamic, non-impact nature and compact size, it can be used anywhere and whenever you have free time! Powerball brings gentle and non-impact relief to related symptoms including Carpal Tunnel Syndrome, Repetitive Strain Injury, tendinitis, arthritis and so on. Just train for5-10 minutes a day is enough to make a big difference! ✅Strengthens Muscle & Tendons Helps strengthen arms, fingers, hands, forearms, waists, shoulders and so on. Vibration also promotes blood circulation and improves grip strength. ✅Powerful Gyroscopic Rotor Engineered with a built-in gyroscopic rotor in a solid plastic shell, allowing Powerball to be spun up to a staggering 16800RPM for smooth & exciting revolving motion!  ✅Relieves Pai