Reddit reviews NSD Power Lit Spinner Gyroscopic Hand, Wrist and Forearm Exerciser – Small and Compact, Easy to Use, LED Light in Green

Computer Balanced Inner Gyroscopic Rotor – Vibration-free operation up to 15, 000 RPMSmall and Compact Exercise Machine – Use at school, the office and while watching TV; Provides up to 25. 9 lb. -in. of torque at 10, 000 RPMEasy to Use – Starts up with an included pull-stringTargets Hands, Wrists and Forearms – Perfect for amateur and professional athletes and to help prevent carpal tunnel syndrome and repetitive stress injuriesEnjoy a Fun, Effective Workout – Green LEDs Light Up as You SpinIncluded Components: User Manual and 2 starter strings