Torque Ball with Counter - Curaball Self-Starting Wrist Gyro Ball Hand Exerciser Grip Strength Trainer, Auto-Start Colorful Lighting

How to Start it 1. Pull off the plastic insulation before use. 2. Toggle the ball along the double DIRECTION ARROW to the max resistance,then release it,fast enough to have the ball turn the LED on. 3. Turn your plam facing down, and slowly start to rotate, you will feel that it is scratching against the inside of the wrist ball. 4. Keep rotating with wrist then the ball will spin faster, develop a higher pitch sound. Once you feel it spinning fast enough, stop your rotate, you could feel it oscillating right in your palm. What is Gyro ball? Gyro ball/Force ball/magic balls get model sport now.If you don't know how to play it,can search video via youtube It is fun and good for hands,wrist,shoulder, forearms,biceps and good as warm-up sport before you do climbing,golf,basketball etc Also if you use computer or play the piano for long time,you can play this ball every day for 15~20 minutes.You will feel you hand won't be so pain. It is a very interesting toys to make your forearm sore and gets the blood going. For Medial Epicondylitis, Prevent Tendonitis and improve Grip Strength, Relieve Pain From Tennis Elbow, Golfers Elbow, and Tendinitis, Medium, Intermediate. Power ball Wrist Ball Toys Hand Grip Strengthener ;Hand Grip Exerciser;Relieve Stress ---Anti Stress Anti anxiety for EDC, ADHD, Children, Teens, Student and Adults. DO not drop the ball on hard surface at any time,the heavy rotor will damage. DO not touch the ball rotor when it is spinning at high speeds,it will burn. Not suitable for children under 10 years old whose hand strength insufficient to use the product Do not add any oil or moothy liquid into it which may cause it inoperation

• 【Gyro Ball Wrist Exerciser】The upgraded version uses a built-in pretensioner to start, without the need for a starter cord. Press the inner ball with your thumb and move your thumb in the direction of the arrow to start the internal spring. By rotating your wrist, the ball core rotates at high speed, generating centrifugal force, so that the wrist feels a certain resistance
• 【Real-time Digital Display】No batteries needed, this curaball hand exerciser generates power from motion to track your workout, displaying RPM, power, time, and estimated energy expenditure.Ensure that every training can achieve significant results in grip strength and endurance
• 【Self-starting Torque Ball】No apps, no cords, no setup, just twist and rotate anytime, anywhere. The Wrist Ball is self-powered with a built-in LCD counter that tracks every spin—up to 20000 RPM—so you can clearly see improvements in grip endurance and rotation speed
• 【Portable and Convenient】Weighing Only 0.6 Lbs, this Torque ball hand exerciser is compact and portable, allowing you to easily integrate hand grip training into your daily life. It's a simple solution for building hand and wrist strength at home, in the office, or on the go
• 【Perfect Holiday Gift】The gyro ball is a great gift for children who love sports, restless middle-aged people and people who work in the office for a long time, guitarists, pianists and other musicians (Tips: This wrist ball is self-starting, not automatic. Note: People with carpal tunnel syndrome, repetitive strain injuries, or weak hand strength should not purchase!)