---
product_id: 300634891
title: "Wrist Strengthening Device, Self-Starting Gyro Ball, with LED Lights, Metal Silent Centrifugal Fitness Power Device (Color : Blue)"
brand: "glj"
price: "¥21131"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/300634891-wrist-strengthening-device-self-starting-gyro-ball-with-led-lights
store_origin: JP
region: Japan
---

# Built-in LED lights Enhances grip strength Pure mechanical design Wrist Strengthening Device, Self-Starting Gyro Ball, with LED Lights, Metal Silent Centrifugal Fitness Power Device (Color : Blue)

**Brand:** glj
**Price:** ¥21131
**Availability:** ✅ In Stock

## Summary

> 💥 Elevate Your Game with Every Spin!

## Quick Answers

- **What is this?** Wrist Strengthening Device, Self-Starting Gyro Ball, with LED Lights, Metal Silent Centrifugal Fitness Power Device (Color : Blue) by glj
- **How much does it cost?** ¥21131 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/300634891-wrist-strengthening-device-self-starting-gyro-ball-with-led-lights)

## Best For

- glj enthusiasts

## Why This Product

- Trusted glj brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Wrist strap ensures secure and safe workouts.
- • **Grip Like a Pro:** Boosts wrist and hand strength for athletes and musicians alike.
- • **Unleash Your Power:** Adjustable core rotation for personalized strength training.
- • **Light Up Your Workout:** LED lights glow with speed, making fitness fun.
- • **Versatile Training Tool:** Perfect for sports enthusiasts and fitness buffs.

## Overview

The Wrist Strengthening Device is a self-starting gyro ball designed to enhance wrist and hand strength through adjustable mechanical rotation. It features a safety wrist strap, built-in LED lights that illuminate with speed, and is ideal for athletes across various sports, as well as musicians looking to improve their grip and performance.

## Description

The high-quality top ball looks very fashionable. It is not only a good toy, but also can be used for muscle training anytime and anywhere. This is also a good warm-up exercise before playing golf, basketball, rock climbing and other sports.☞☞Fuctions1.Save your mouse hands and shoulders. Energize your muscles and cells.2.Relive your stress, espacially help the recovery of muscle and ligament injuries.3.Stretch your bones Promote blood circulation and enhance gastrointestinal function.4.Awesome warm-up exercise equipment, enhance the toughness of the fingers and ligaments.5.Automatic Led Lighting. The faster you spinning, the brighter the led become.☞☞Specification:Main material: Silicone rubber, zinc alloy, polycarbonate, polypropyleneSize: 70x 70x 55mmContains: wrist ball(Not including other things)☞☞ How to use:1. Push the thumbs of both hands in the direction of the arrow of the center of the ball until the resistance is large and the center of the ball cannot roll.2. Quickly release the core of the ball with the thumbs of both hands, and turn the ball by the hand3. After feeling the sphere rotates, swing the ball from left to right in a circle-like way to slowly rotate the wrist ball, and the speed can be increased with the inertia☞☞ Service:1. If you need more styles, please click our other products to find the style you want.2. If you have any questions before or after your purchase, please do not hesitate to contact us.

## Features

- ☞[Pure mechanical design]: The rhythm and speed of the core rotation can be adjusted arbitrarily through human control. The faster the speed, the greater the force generated. Different groups of people have different controls
- ☞[Exercise your wrists and hands]: The hand enhancement ball is the centrifugal force generated by the interaction between the rotation of the wrist and the internal rotating core, which can maintain the high-speed rotation of the core, promote blood circulation, and increase the fingers, wrist, hand, forearm, biceps, triceps, and ligaments And the strength of the shoulders, restore muscle strength
- ☞[Wrist strap protection, portability and safety]: Wear a special wrist strap when using it to prevent excessive force from flying out of the core speed, which is more secure
- ☞[Built-in light]: As the speed of the core increases, the color of the light-emitting strip inside will also glow, making exercise more interesting
- ☞[Scope of application]: Highly beneficial grip strength trainer for golf, tennis, climbing, cycling, basketball, cricket, martial arts and with improved playing performance for pianists, drummers & guitarists.

## Images

![Wrist Strengthening Device, Self-Starting Gyro Ball, with LED Lights, Metal Silent Centrifugal Fitness Power Device (Color : Blue) - Image 1](https://m.media-amazon.com/images/I/613tT5XYExL.jpg)
![Wrist Strengthening Device, Self-Starting Gyro Ball, with LED Lights, Metal Silent Centrifugal Fitness Power Device (Color : Blue) - Image 2](https://m.media-amazon.com/images/I/61octI9CWEL.jpg)
![Wrist Strengthening Device, Self-Starting Gyro Ball, with LED Lights, Metal Silent Centrifugal Fitness Power Device (Color : Blue) - Image 3](https://m.media-amazon.com/images/I/61c+waTRgDL.jpg)
![Wrist Strengthening Device, Self-Starting Gyro Ball, with LED Lights, Metal Silent Centrifugal Fitness Power Device (Color : Blue) - Image 4](https://m.media-amazon.com/images/I/618qKhFSJ7L.jpg)
![Wrist Strengthening Device, Self-Starting Gyro Ball, with LED Lights, Metal Silent Centrifugal Fitness Power Device (Color : Blue) - Image 5](https://m.media-amazon.com/images/I/61AkAPOT5XL.jpg)

## Available Options

This product comes in different **Color** options.

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**Shop now:** [https://www.desertcart.jp/products/300634891-wrist-strengthening-device-self-starting-gyro-ball-with-led-lights](https://www.desertcart.jp/products/300634891-wrist-strengthening-device-self-starting-gyro-ball-with-led-lights)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-23*