- Description
Auto start powerball with incredible high speed, up to 20,000 rotational speed per minute passed through testing, blue LED lights come out when you doing exercise
Control the speed and power at your wish, 10,000 rotational speed per minute about 48.50lb power, correspond to 50 dumbbells of different weights
Pure mechanical wrist ball, no batteries needed, environmentally friendly without electromagnetic radiation, military-grade plastic shell to protect your spinner gyro ball toy
Portable size forceball, you can exercise your wrist, fingers, forearm and muscle indoor outdoor, in the office, you can body strength anywhere, good choice as a gift to your lovers
Children must be accompanied by an adult or parents to exercise together. Customer service please go to below seller warranty description
Control the speed and power at your wish, 10,000 rotational speed per minute about 48.50lb power, correspond to 50 dumbbells of different weights
Pure mechanical wrist ball, no batteries needed, environmentally friendly without electromagnetic radiation, military-grade plastic shell to protect your spinner gyro ball toy
Portable size forceball, you can exercise your wrist, fingers, forearm and muscle indoor outdoor, in the office, you can body strength anywhere, good choice as a gift to your lovers
Children must be accompanied by an adult or parents to exercise together. Customer service please go to below seller warranty description
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