Metal Torque Ball Hand Exerciser - Gyro Wrist Trainer with LED Counter & Color-Changing Light, Grip Strength Tool

<p>Specification</p><p>Product name:</p><p>Material: metal alloy</p><p>Weight: 300g</p><p></p><p>How To Use:</p><p>Step1: Take the gyro ball in your hands with the rotating core facing up and then use both of you thumbs to</p><p>turn the rotator again and again ,up to the corresponding elastic core position along with the arrow direction.</p><p></p><p>Step2: Hold the wrist ball tightly and then release yours thumbs off the rotator immediately, the rotator will</p><p>be running at the speed of 1500 to 3000 rpm. At the same time ,turn your palm down slowly rotating your wrist</p><p>to get the power to maintain the existing gyro ball or higher than the starting speed.</p><p></p><p>Step3: When you turn the core speed up gradually , you will feel the same synchronous growing reacting power on your wrist and your arm with the rotating gyroscope.</p>

• Performance Digital LCD Counter: Battery-free, self-powered digital display with blue backlight to track your workout information including real-time RPM, real-time power, total time and calorie calculator.
• Full Metal Material: Made of heavyweight metal, aluminum alloy shell and steel rotor, twice the weight of plastic. Offers a powerful hand and forearm exerciser equivalent to 50 pounds of fitness equipment. Metal design enhances control, vibration-freeness and stability.
• Cordless Start Design: The second generation new gyro ball only needs to push the core in the direction of the arrow, and is started by the internal spring, cordless.
• Good for Health: Wrist balls can help the body regain health. There is a strong reaction at high speed. The faster the speed, the greater the strength and the greater the effect of the exercise. At lower speeds, it is also a very effective release tool for soothing, rejuvenating sore and damaged limbs, or helping to reduce inflammation caused by arthritis, RSI, or tendonitis.
• High Quality: The unit does not have any weird vibrations. The silicone grip part is also really nice as it helps the gyro ball not come loose from your hand.