Powerball Wrist & Arm Trainer (Sports)

Powerball Wrist & Arm Trainer If you are training your wrist and arm on your own, this Powerball Wrist & Arm Trainer is your best helper! Shaped like a baseball-sized handheld device, it can be used in fitness, sports, rehabilitation or just for fun and pleasure. With its gentle yet dynamic, non-impact nature and compact size it can be used anywhere and whenever you have free time!PRODUCT FEATURES:- Strengthens hands and grip skills. Professional athletes need to adopt various ways to exercise their strength, including arms, feet and waist strength and so on. And today this Powerball Gyroscope Fitness Wrist Ball is an effective tool to help you improve arms force. Made of high-quality material, this product can strengthen grip skills, build muscle, tone arms and increase flexibility.- Cool illumination and high quality. When you spin the LED lights inside, the ball will illuminate. Powerball Gyroscope Fitness Wrist Ball is an additively fun and powerful exercise tool that build