【GOOD FOR HEALTH】Efficiently rehabilitates wrist pain, humerus fracture, scaphoid fracture, radial head fracture, numbness in fingers, numb hands, fractured wrist, elbow tendonitis, broken bones, olecranon bursitis. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders. 【NEW DESIGN WITH LED】Novelty design with LED lights, which is fun to see how fast you can get it spinning. Cool LED lights inside will light up while spinning, no battery needed, powered by rotating the wrist. Rehabilitates sore muscles, Kill the time & Add fun! 【EASY TO USE】Compare with the old version need to start with string,our upgraded version is auto-start design which is simple to start by rotating the wrist. 【HIGH QUALITY】 The unit did not have any weird vibration to it. Also having the silicone grip section is very nice as it helps with the gyro ball not coming loose from your hand. 【SUITABLE FOR SPORTS TRAINING】 Highly beneficial grip strength trainer for golf, tennis, climbing, cycling, basketball, cricket, martial arts and with improved playing performance for pianists, drummers & guitarists. 🌟 Why Choose Our Powerball Gyroscope? Tired of bulky gym equipment or struggling with wrist fatigue from long workdays? Our All-Metal Powerball combines advanced gyroscope technology with sleek design to deliver targeted strength training and instant stress relief—no batteries, no cords, just pure kinetic power. 💪 Unleash Your Strength Potential Powered by the principle of angular momentum conservation, this compact device generates up to 22kg of resistance at 10,000 RPM—equivalent to 50 different dumbbell weights . It’s your secret weapon for: Building grip, wrist, and forearm strength (ideal for athletes: golfers, tennis players, climbers, and more ) Relieving "mouse hand" and joint soreness from typing, gaming, or repetitive tasks Accelerating post-injury recovery with adjustable intensity ✨ Effortless Auto-Start & Luminous Design No messy starter ropes here! Simply push the core in the arrow direction until resistance builds, then release—your powerball springs to life instantly . The enhanced glowing core shifts through vibrant colors as speed increases, turning workouts into a visual treat while tracking your progress. 🛡️ Durable & Safe for Daily Use Crafted from one-piece integrated alloy, our powerball feels like a premium metal artwork—heavier than plastic alternatives for stronger kinetic energy . The anti-slip silicone ring ensures a secure grip, while precision-engineered screws reduce noise and prevent stuttering during high-speed rotation . 🎒 Take It Anywhere, Train Anytime At just the size of a tennis ball, it fits in your pocket, gym bag, or desk drawer. Exercise while: Watching TV at home Commuting to work Waiting for appointments Recovering post-workout 🎯 Perfect for Everyone Fitness Enthusiasts: Boost athletic performance with targeted training. Office Workers: Fight fatigue and improve posture. Seniors: Enhance circulation and joint flexibility . Students: Develop hand-eye coordination for music, art, or sports . 📦 What’s Included? 1 x All-Metal Powerball (Glowing Core)/Powerball (Glowing Core) 1 x Powerball Bag 1 x Protective Storage Pouch 1 x User Manual (English) ⚠️ Safety Note Not suitable for children under 12, individuals with heart disease, or those with limited upper limb mobility . Never stop the rotating core with hands—use the included techniques for safe shutdown. Join 1,000+ monthly buyers who trust our powerball for strength and relaxation . Add to cart now and feel the difference!