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Led Wrist Power Gyroscopic Ball Wrist Strengthener and Forearm Exerciser For Stronger Arm Fingers Wrist Bones and Muscle

Feature

The LEDs increase in intensity the faster that you get the revolutions going. At least gives you a general indication to how fast you have the gyro spinning. LED light is not powered by batteries. It's battery free. No need to worry about power running out. It will keep lighting up as long as it's spinning. Make Arm Great Again. Strengthen fingers, wrists, hands, forearms, shoulders and bicep etc., and also be beneficial in promoting co-ordination and blood circulation. 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. Small, compact and transportable, you can take anywhere. Simple to start with a pull-string.And the ball with flashing LED ，all you need do is to increase the speed by making a rotational wrist movement and to keep in sync with the spinning of the ball.

Specification

Material: Aluminium alloy+ABS. Product size: Diameter 7.5cm. Application:Suitable for those who need wrist training, such as sportsman, computer typist and pianist.

Product include

1*Gyroscope Powerball