★ There is no cumbersome self-starting: only wonderful, built-in automatic elastic device, one push and release, you can start easily, can control the intensity, increase the fun of entertainment, and experience the impact of the variable speed lights. ★ Exercise the palm plaything of the arm: Long-term use of the wrist ball will effectively exercise the muscles of the entire arm, help relieve muscle soreness and strain caused by long-term use of the wrist and arm, and also help fitness enthusiasts to carry out targeted arm strength training. ★ Mechanical power does not require power supply: the rotation of the wrist interacts with the inner rotating sphere, and the centrifugal force generated maintains the high-speed rotation of the sphere. ★ The metal ball core is beautiful and durable: zinc alloy electroplated ball core, moderate weight, high stability and will not crack, without losing the hand feeling, while taking into account the beauty and durability. ★ Power output: the principle of physical centrifugal mechanics, the rotation of the ball core can be adjusted through artificial control
1. The faster the rotation, the greater the strength.
2. Strengthen muscles and burn fat.
3. Suitable for enhancement of hand strength and injury rehabilitation.
4. Without losing the hand feeling, while taking into account the beauty and durability.
5. Special wrist rope protection, put on the special wrist rope when used safely, so that it will not be thrown out due to too much force when playing, which is safer.
Color: Black, blue, red
Material: Polycarbonate, zinc alloy, Silica gel, Metal shell
1 * Wrist Ball
1 * Wrist strap
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Ouumeis Hand Grip Strengthener Wrist Power Gyroscopic Ball,for Arm Fingers Wrist Bones And Muscle,Multi-Level Weight,Relieve Stress,Strengthen Muscles,Easy To Use,Self-Starting Design,Metal Shell - QIHV125N