Product: Fitmyfavo Wrist Gyro Ball Power Ball Auto Start Spinner for Finger Grip Strengthener Hand Forearm Exerciser Multi-Lit LED
Brand: Fitmyfavo
Color: ABlack with LED light
FITMYFAVO Auto Start Wrist Fitness Ball, Stronger Arm and finger bones, exercise power ball can use anytime anywhere, gyroscope ball
Easy To Use - This auto-start wrist trainer power ball adopts the Gyro rotation kernel, it needn't rope to start.
Wrist Fingers Training - This wrist Gyro strengther ball can exercise your wrist hand and training your finger bones forearm phalanges.
High-Quality Long Time Using - shell is made of hard plastic material and is very durable. There is also a non-slip silicone ring on the outside of the shell to keep safe using.
Lower Noise: Metal movement, stable rotation, smooth experience, low noise
Carry Anywhere: The small wrist ball allow you to take and exercise Anytime Anywhere; Provides up to 34 lb-in of torque at 10,000 RPM

Search query: power ball hand exerciser
Relevance: Substitute