NSD Power AutoStart Spinner Gyro Wrist Forearm Grip Strengthener with Auto Start Feature
- 【Performance Digital LCD counter】No battery and self-powered digital display with blue background light,can track your exercise....
- 【AUTO START DESIGN】 The second generation of new products, you only need to push the core in the direction of the arrow, start by the internal....
- 【GOOD FOR HEALTH】The wrist ball can assist body to restore to health. There is a strong reaction at high speed, the faster the speed, the greater....
- 【MAKE ERCISE & ADD FUN】 Novelty design with LED lights, which is fun to see how fast you can get it spinning. Cool LED lights inside will light up....
- 【HIGH QUALITY】 The unit did not have any weird vibration to it. Also having the silicone grip section is very nice as it helps with the gyro ball....