NSD Power PB-188LC Fusion Spinner Gyroscopic Wrist and Forearm Exerciser Featuring Digital LCD Counter & LED Light, White

Gyroscopic Wrist and Forearm Exerciser with Bright White LED & Digital LCD Counter. Features digital speedometer. Lights up in white as you spin it. Mood shell is transparent. Manual (pull-string) start.

All of our award winning patents and technologies packed into one mighty Spinner. The Winner's Bright Lit shines like a beacon of light in your hand as you literally generate electricity as you exercise. Advanced LCD counter records your top RPM, so turn off the light and turn our Winner's Bright Lit Spinner into an incredible light show, and check out how fast you managed to get the Spinner spinning!

How it works?

No battery required; Just like riding a bike! Your hand is the battery of this device. The motion of your hand rotating the Spinner is similar to making ice cubes swirl inside a glass. The essence of operating the Spinner is not about how fast you rotate your wrist. It's about how to synchronize your wrist rotation to the momentum and timing the rhythm of the rotor's gyration. The faster the rotor spins, the easier it is to operate. Make sure you start the Spinner with sufficient speed.