Wrist Power Hand Ball Hand LED Lights Mute Gravity Spinning Hand Muscle Force Trainer Gyroscope Vibrating Balls Hand Muscle Powerball Gyrobal Arm Muscle Strength Trainer Sports Fitness Equip

Product Name: Wrist Ball

Core material: iron

Shell material: polycarbonate silicone

Net weight: 300g (luminous version)

Size: 7*7CM

The product contains: Wrist Ball*1 Wristband*1 Manual*1

Self-starting device

Without any power

Pure mechanical design

No electromagnetic radiation

❤ Product Features❤

How to use:

1, holding the wrist ball with one hand, the opening part of the upward, the other hand will be the head of the rope into the hole in the center of the ball.

2, with the thumb of the hand holding the ball, turn the ball forward, the rope tightly wrapped around the center of the ball in the center groove.

3, when the rope around the center of the ball half a circle, stop turning the ball center. Use one hand to hold the ball, the other hand to pull out the rope quickly and let the ball center rotate at the fastest speed.

4, immediately open the part down, with the wrist part of the ball, until you can feel the speed of the ball can continue to accelerate.

Use for:

1 warm-up exercise equipment, especially for sports people, such as golf, tennis, squash, cricket, badminton, baseball, bowling, basketball, racing and other outdoor climbing by the wrist and other sports.

2. Beneficial to many musicians, such as piano, guitar, drummer.

3. Suitable for office workers, because of long hours, less activity.

Please do not use any part of the body to stop the high-speed ball, otherwise it is very easy to cause injury. It is recommended that you use clothing or wait for the sphere to stop spinning naturally.

·Why does the wrist ball make noise during use?

The operation of the wrist ball is produced by using frictional force, so it is a normal phenomenon that friction occurs during the movement, please rest assured to use it. Please do not add any oily, smooth liquid into the shell, which will cause the product to be unusable.

·What should I pay attention to in use?

The sphere produces a large amount of momentum when it is running at high speed, and it is forbidden to submit to others during the running process to cause accidental injury.

·Can it be given to children to play?

Please do not give it to children under 10 or people with insufficient hand strength.

Notice

1. Please allowed 1-5mm differences due to manual measurement, thanks.

2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.

If you have any doubt , please feel free to contact with us~