Mechanical power without the power source, the rotation of the wrist interacts with the internal rotation of the ball, and the centrifugal force generated maintains the high speed of the ball.
- Built-in automatic elastic device
The built-in automatic elastic device, it can be easily started with push and release, can control the intensity, increase the fun, and experience the impact with the variable speed lantern.
- Zinc alloy plating core to feel soft and comfortable
- Effectively relieves wrist pain and prevents the mouse hand when tired
- Polycarbonate and zinc alloy materials
- Suitable for exercising the muscles of the entire arm, helping relieve muscle soreness and straining on the wrists and arms
Type: Other Equipment
Product weight: 0.2700 kg
Package weight: 0.4000 kg
Package Content: 1 x Wrist Ball, 1 x Wrist Strap, 1 x English Manual