Hand Grip Strengthener, Rechargeable Digital Grip Strength T…

【500mAh Rechargeable Grip Strength Tester】DIOTUSS hand exercise ball features an adorable football shape with a display screen, it measures grip strength up to 220lbs/100kg. The grip trainer allows you to see the process and results of your strength at all times, it's a great motivational tool that makes sports training sessions or party game activities more engaging and interesting. Stimulate…