Luminous Light Super Gyro Grip Ball

Strengthener and Forearm Exerciser for Stronger Arm Fingers Wrist Bones and Muscle with Storage Bag AUTOSTART:No starter cord or external battery powered aid needed;physical power generation that allows you to start and stop exercising as you please COOL COLORED LIGHTS: the wrist ball will become dazzling as the internal speed of the core changes, increasing the fun of fitness WRIST STRENGTHEN: control the rhythm and speed of the core rotation by manpower, the faster the speed, the greater the force generated, so as to exercise the arm and wrist strength REDUCE PRESS: Decompression artifact, suitable for office workers, students, people with high pressure, not subject to venue restrictions CONVENIENT AND PORTABLE: our product is equipped with a WRIST BALL STORAGE BAG, which is convenient to carry   Product Information: Brand: Six Seven EightMaterial: PCItem No.: J8600Place of Origin: Jinhua, ZhejiangApplicable scenarios: Fitness equipment, sports trendsSpecifications: [Self-startin