Parallel Halo Power Wrist Ball AUTO Start Wrist Exercises Force Ball Gyroscope Ball with LED Lights- Wrist& Forearm Exerciser - Arm Strengthener for Stronger Muscle and Bones (white+led)

How to Start it 1. Pull off the plastic insulation before use. 2. Toggle the ball along the double direction arrow to the max resistance,then release it,fast enough to have the ball turn the LED on. 3. Turn your plam facing down, and slowly start to rotate, you will feel that it is scratching against the inside of the wrist ball. 4. Keep rotating with wrist then the ball will spin faster, develop a higher pitch sound. Once you feel it spinning fast enough, stop your rotate, you could feel it oscillating right in your palm. Package 1x Forceball with blue led light 1x Plastic insulation 1x Hand Strap 1x User Manual