Product Type: Wrist Trainer Color: White Material: Zinc Alloy, ABS, PC Inner Ball Material: Metal Start Type: Auto Start Product Weight: 320g Product Size: Diameter about 7cm(Max), Height 6cm 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 inoperation Package Content 1x Wrist Ball
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