Item Descriptions:

As sports training, it is ideal for strength training of sports using baseball, golf, tennis, badminton, bowling, table tennis and other arms!

Perfect for those who also play instruments such as piano, guitar, bass, drums!

[Auto start function installed]

Is it troublesome to rotate the ball with a string?

The latest version of 2017 features an auto start function, making it easier by automatic rotation!

【please note】

The logo of this product may be different depending on the lot, but since it is all the same product,

Performance is not affected.

【how to use】

1.

Hold the wristball with both hands and push the ball in the sign direction with your thumb.

2.

When you can not push the ball, you can grasp the wristball with one hand at the moment of loosening the finger and adjust the force while turning the wrist by the rotation speed of the ball itself.

Note: If you are interested,

YouTube

Let's search "list ball" for!

【Lighting】

Since it emits permanent light by the electromagnetic induction principle, it is not necessary to replace the battery.

【function】

As the number of revolutions increases, it increases as you go up, so you need a force to add, so you can expect a high effect on increasing muscular strength of wrists, arms, and fingers.

It is also helping to prevent tenosynovitis.

【Application case】

Let's raise the strength and grip strength of your arms, wrists while watching TV, parties, or on a business trip.

You can enjoy comfortable training anytime and anywhere.

Features:

• 【Latest version】 Auto start function installed!
• There is no need to rotate the ball with a string.
• It will be easier with automatic rotation!
• [Function] Since the wrist ball needs additional force as it increases as the rotation speed rises, it can be expected to have a high effect on increasing the muscular strength of the wrist, arm and fingers.
• It is also helping to prevent tenosynovitis.
• [Safety] It is possible to easily adjust the adjustment with the movement of the wrist, it is far more safe than the heavy dumbbell and other instruments and does not exert excessive load on the muscle.
• [Luminescence] Since it emits light permanently by electromagnetic induction principle, it is not necessary to replace the battery.
• 【APPLICATION】 There are many uses such as muscle training, sports training, fitness, rehabilitation, stress relief, etc.!
• Ideal for a diet of arms!
• Not only men but also female beloved!

Product information:

Shipping Weight: 299 g

Package Dimensions: 7.01 x 8.00 x 8.00 cm