Grip Strength Tester 220.4lbs/100kg, Portable Hand Exercise Ball with Cheers & Progress Bars, Rechargeable Hand Grip Strength Trainer, Dynamometer Hand Gripper Strengthener, Squeeze Stress Relief Balls Gift for Adults Kids Sports

【Cheer Speaker & Progress Bars】Upgrade your grip strength training with our advanced device featuring a Cheer Speaker that celebrates your 500Lbs total grip achievement, 8 Progress Bars for tracking your incremental improvements, and a Grip Value Memory that retains your last strength unless 4 hours pass without use. Plus, a Rechargeable system with a Digital screen shows your charging status, ensuring you’re always ready to push on. Together, let’s conquer this challenge!
【Rechargeable Hand Exercise Ball】DIOTUSS grip strength tester features a charming football shape with an integrated display screen, that accurately measures and displays grip strength up to 220lbs/100kg, providing a visual and motivational tool for your hand strength training journey. Track your progress in real time, making your sports training sessions or party game activity more engaging and interesting.
【Portable & Ergonomic Design】The dynamometer grip strength ball contoured football shape and silicone material provide a comfortable grip, preventing calluses and sprains. This portable grip strengthener is perfect for on-the-go training, fitting seamlessly into your bag or pocket. The hand grip strengthened grooved fingerprint path design ensures comfort during use, reducing strain and fatigue.