AUTO Start Power Wrist Ball with Speed Meter Records

RT2608

Come and see our amazing products. This small ball can generate huge power and do more workout than you think it could be for your forearm. As the spin speeds up,the LED inside the ball lights up like a night-light, and a built-in speed meter records your spin speed, which like a good forearm trainer and feeds you data in a timely way. This gyro ball correspond to 50 dumbbells of different weights. Control the speed and power with your hand, 10,000 rotational speed per minute could generate about 35 lbs weight. This new model start with internal pre-tensioner,no starter cords required.Just push to the inner ball and move your thumbs along the arrows direction to start,which make it more convenient. Please note the lanyard is not included. Pls confirm with us about the packing info, stock color and exact production time before placing your order.