Feature

●Powerful Wrist Ball Muscle Training Equipment: This convenient training device allows you to build centrifugal force with a high-speed gyro rotor, and grip strength in your wrist, forearm, and upper arm by grasping and controlling the ball. Compact and easy to carry, yet centrifugal force provides firm training load. You can train anywhere, in a short time. Comes with a convenient drop prevention strap and a dedicated bag
●(Grip Strength Training Equipment) The 8,000 rpm rotation speed can bear a load equivalent to 28.9 lbs (14 kg). A snap ball that is effective for strengthening your wrists, fingers, strengthening your grip and strengthening your arms. It is also effective for playing musical instruments such as golf, baseball, tennis, badminton, kendo, bouldering, table tennis, bowling, and more
●LED lighting function changes with the number of rotations: Equipped with an LED light function that changes the color of the light according to the number of revolutions. The color changes will give you a glance to see how much revolutions the ball is. How many colors you can illuminate and challenge elements make training fun
●No need for force: The centrifugal force generated by the interaction of the core, the fast working iron core, the controllable frequency, and the smooth decompression: The faster the wrist rotation, the stronger the power, the less the ride and the smoother it will be more noise, more enjoyable
●Automatic Start Design: To activate the wrist force sphere, simply press the axis towards the arrow, and the internal spring moves the sphere and at the same time, it can be rotated by accelerating the core, making it very easy and convenient. Friendly Tips: Please remember to put the watch band on your wrist before you start it


Description

Snap Ball, Power Ball, Auto Start Function, Grip Strength, Ball, No String, Luminous, Speed Changing, LED Storage Case Included, Silent, Wrist, Forearm, Strength Training, with Strap, Beginner Training Equipment