Precio de FMOPQ Bola de muñeca, Agarre de Arranque automático, giroscopio centrífugo de descompresión silenciosa, para ejercitar los músculos de la muñeca y la para el Black Friday.

Ficha del producto

[Material de alta calidad/juegue con confianza]: estructura mecánica precisa, núcleo de bola galvanizado de aleación de zinc, peso moderado, alta estabilidad y sin grietas, estructura de alta calidad autoinspirada,. [Wrist strap protects portable safety]: When in use, put on a special wrist strap to avoid throwing the ball out due to too much force during playing, and it is safer to decompress. [Variable speed lights, colorful decompression]: As the rotation speed of the ball core increases, the light changes color, increasing rhythm, reducing stress, and relaxing.. [Easy to use, self-starting elastic device]: Built-in autonomous elastic device, by artificially adjusting the rhythm and speed of the core rotation, the faster the speed, the greater the centrifugal force produced.. [Mechanical power, no power supply required]: The rotation of the wrist interacts with the inner rotating core, and the centrifugal force generated can maintain the high-speed rotation of the core.