Precio de FMOPQ Wrist Power Gyro Ball con Luces LED, Fortalecedor de Fuerza de Arranque automático Ejercitador de antebrazo para Fortalecer Brazos, Dedos, Hueso para el Black Friday.

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【 DISEÑO DE INICIO AUTOMÁTICO 】Nuestra pelota de entrenamiento de muñeca mejorada, solo necesita empujar el núcleo en la dirección de la flecha, Empújelo hacia arriba, luego suéltelo rápidamente y gire su muñeca para que su muñeca gire con la rotación del núcleo , te hará sentir increíble cuando la bola giratoria comience a girar en tu mano.. 【MAKE EXERCISE & ADD FUN】Novelty wrist power gyro ball design with LED lights, which is fun to see how fast you can get it spinning. Cool LED lights inside will light up while spinning, no battery needed, powered by rotating the wrist.. 【GOOD FOR HEALTH】Our gyro wrist exerciser can efficiently rehabilitates wrist pain, humerus fracture, scaphoid fracture. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders.. 【HIGH QUALITY】The core of the power ball is made of zinc alloy with moderate weight and will not hurt your hands. And it works without any weird vibrations.. 【SUITABLE FOR SPORTS TRAINING】Highly beneficial wrist strengthening equipment for golf, tennis, climbing, cycling, basketball, cricket, martial arts and with improved playing performance for pianists, drummers & guitarists.