JIN BD Wrist Trainer Ball Auto-Start Wrist Strengthener Gyroscopic Forearm Exerciser Gyro Ball for Strengthen Arms, Fingers, Wrist Bones and Muscles

Benefits of the wrist ball
1. Wrist ball is good for warming up your hands, wrists, shoulders, forearms, biceps and upper limbs
2. If you use the computer or play the piano for a long time, you can play this ball for a few minutes every day, which will make your hands feel less painful
3. Wrist ball hand grip enhancer, hand grip exerciser, relieve stress, suitable for the elderly, nursing, treatment, and rehabilitation personnel: in fact, the gyro ball will not bear too much burden
Can improve blood circulation on the fingers and prevent nerve damage
Item Startup Method: 1、Wear a dedicated wrist strap to prevent the wristtrainer ball from falling. 2、The wrist trainer ball is facing upwards, with theleft and right thumbs pressing on the inner ball andalternately pushing forward in the direction of theinner ball arrow, unti there is greater resistance tothe forward movement (until the inner ball is difficultto continue rolling forward, about 10 times) 3、Release the inner ball with your thumb and hold itwith one hand, while quickly rotating your wrist (usingyour wrist as a support point to perform rapid andrepeated circular movements). When the inner balrotates faster and the dazzling light comes on, thewrist trainer ball has already started. If the start failsplease repeat the above steps Reminder of Main Point to Startup: 1. When pushing the inner ball, place the wrist trainer ball facing upwards During the forward pushing process, press the inner ball tightly so that it does Reason for Product Startup Failure: Incorrect way of thumb pushing the inner ball: not pushing inthe direction of the inner ball arrow or not pushing forward enough times. not retreat. Try to push forward until the inner ball is difficult to roll, but remember to use too much force to avoid damaging the inner ball spring 2. Note: lt is the rotation ofthe wrist joint, not the entire arm swing 3. Due to its purely mechanical design and no power supply device, the continuous operation of the wrist trainerball requires continuous rotation of the wrist. 4. After the wrist trainer ball is activated, it will light up a cool light (with lighting design style) and become brighter as the speed of the inner ball rotation increases, while emitting a pleasant sound 5. After the wrist trainer ball is activated, it becomes easy to control, and the wrist can rotate freely (in different directions, irregularly). When the wrist needs intense movement, simply accelerate the wrist to perform circular movements or quickly flip up and down. Reason for Product Startup Failure: 1.Incorrect way of thumb pushing the inner ball: not pushing inthe direction of the inner ball arrow or not pushing forwardenough times. 2.Incorrect rotation method: the wrist joint performs circular motion instead of the entire arm swinging 3.Due to the structural design of the inner ball, in order to successfully capture the inner ball spring, when starting to push the inner ball, the wrist trainer ball must face upwards. 4.The transportation process may result in individual product components being damaged and unable to start

Automatic start design, need to push the core in the direction of the arrow, start by the internal spring, very easy and convenient.
When it rotates, the cool colored lights inside will light up. It can kill time and add fun while restoring muscle soreness.
Without any strange vibrations, it can rotate for a long time without worrying about it stopping when moving.
The convenient design can be carried anywhere, whether in the office, gym or at home, it can be used as a toy to decompress at any time, and it can also exercise arm muscles.
Wrist ball can promote blood circulation and increase the strength of fingers, wrists, hands, forearms, biceps, triceps and ligaments and shoulders, and restore muscle strength.