Gyro Ball Gyroscope LED Wrist Ball Power Gym Training Exercise Tool Badminton Tennis Arm Muscle Force Fitness Trainer

-【Convenient and small 】No matter where you are, office, cinema or the subway, the bus,train, airplane, you can take a gyro ball and get it start instantly. No matter day or night, the wrist trainer ball with red green Colors led light when gyro ball start, at the same time, small and compact exercise machine,small size with 2.32inch×2.82inch, you can put into bag or pocket.

- 【Automatically start the design】 The operation is very simple, just push the core in the direction of the arrow, which is activated by the internal spring. Please wear a special wristband during exercise to ensure that you will not lose it due to excessive force.

- 【No battery and Safety】 no need battery,no damage,no danger. Not worry about power off , lanyard design on the wrist to keep ball stop out from hand, The silicone grip helps great to hold the spinning gyro ball by hand.

- 【 Rugged and durable】 The ball core is made of zinc alloy material without any strange vibration.

- 【Easy to play 】 it is Auto -start design with LED light, wrist trainer ball, push the core in the direction of the arrow, start by the internal spring, then rotate the wrist to move the ball.

- 【Good for Health】Efficiently rehabilitates wrist pain, humerus fracture, scaphoid fracture, radial head fracture, numbness in fingers, numb hands, fractured wrist, elbow tendonitis, broken bones, olecranon bursitis. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders, it is also a very effective tool release soothe , recuperate sore and damaged limbs, or help reduce the inflammation caused by Arthritis, Carpal Tunnel Syndrome, RSI or Tendonitis.

- 【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.