Wrist Trainer LED Wrist Ball Powerball Hand Spinner Gyroscopic Ball Metal Auto Start with

Title: Wrist Trainer LED Wrist Ball Powerball Hand Spinner Gyroscopic Ball Metal Auto Start with LCD Display SpeedometerBrand: RESBOProduct Type: Wrist Trainer Color: WhiteMaterial: Zinc Alloy, ABS, PCInner Ball Material: MetalStart Type: Auto Start Product Weight: 320gProduct Size: Diameter about 7cm(Max), Height about 6cmFeature*1. Auto Start - with internal pre-tensioner, just roll back the rotor in the direction of the arrow on the rotor or against the internal resistance, when sufficient tension is achieved, just release and enjoy*2. 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.*3. More 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.*4. Make Exercise & Add Fun - 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 !*5. Motor Skills - This certainly requires some fine motor skills in order to use. The dominant hand arm was easily able to keep the gyro ball going, that it will help refine your fine motor skills in that non-dominant hand arm.*6. LCD Display Speedometer - Professional Digital LCD counter displays various vital workout information. Usage*1. Wind-up the Spinner by turning the rotor in the direction of the arrow. Alternate the left and right thumb while maintaining pressure on the rotor. You should feel some resistance building up as you wind up the rotor, like a toy race car. The rotor should be fully wound within 10-15 steps.*2. Hold the Spinner in one hand with thumb firmly pressed on the rotor. Release thumb to release the rotor. The rotor should now spin at a moderate speed.*3. Transfer the Spinner to your preferred hand. Rotate your wrist in a circular motion to speed up the gyroscopic rotor. Start your wrist rotation slowly. Increase your wrist rotation gradually. Be sure to keep a tight grip on the ergonomic grip once the rotor is spinning up to speed. When speed increases, the resistance increases.Notice*1. Not suitable for children under 10 years old whose hand strength insufficient to use the product*2. Do hot drop it from high or hit it on hard objects, it may cause serious damage *3. Do not touch the inner ball while it in high-speed running*4. Do not add any oil or moothy liquid into it which may cause it inoperationPackage Content1x Wrist Ball