COOSKIN Auto Star Wrist Gyro Ball,Gyroscopic Wrist Booster and Forearm Exerciser for Bones and Muscles of The Arms Wrists with LED Lights. (Blue)
- Auto Start Feature – easy to start, no batteries required, start with your fingers, and the quicker you spinning, the more power you get.
- LED Wrist Ball – Variable speed lantern, the lights will become bright spots with speed. Get forearm exercise in the way you like.help the recovery of muscle and ligament injuries.
- Small, compact and transportable, you can take anywhere. It is easy to start by toggling the ball with your finger..
- Easy to Use – Easy even for beginners thanks to the battery-free design and intuitive AutoStart feature.
- The faster you spin the harder your muscles work..