8 折, Sycyka Gyro Ball用于腕部加强和训练

• 8 折 (立减 $3.88)，免运费 (亚马逊配送)，Prime 会员优惠 (申请免费试用)
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推荐理由

Sycyka Gyro Ball用于腕部加强和训练 - 自动启动手腕训练器手腕手腕腕部力增强器手动锻炼球前臂锻炼器增强手臂，手指，带有LED灯的手指

商品特点

• 锻炼手腕和手指 - Sycyka手动增强球的设计旨在通过旋转通过旋转来产生旋转的内心力手腕与内部旋转芯相互作用，可以使核心保持高速旋转，促进血液循环，增强手指，手腕，手，前臂，二头肌，二头肌，韧带和肩膀，并恢复肌肉力量。升级的自动启动 - 旧的手腕电球需要被绳子激活，而我们升级的腕部动力球只需用手指朝箭头的方向推动。带有LED灯的设计，看到您可以使其旋转的速度多快。旋转时，内部凉爽的LED灯会照亮，不需要电池，只需旋转手腕即可为其供电。恢复疼痛的肌肉，经过时间并增加了乐趣！时间。
• 如何使用 - 用双手水平握住球，用拇指向箭头的方向推动球中心，感觉到球中心产生的离心力，并巧妙地对抗它。尝试几次，您一定会控制它。
• Design with LED - Our wrist ball is novelty design with LED lights, it will be fun to see how fast you can make it spin. The cool LED light inside will light up when spinning, no batteries needed, just rotate your wrist to power it. Rehabilitates sore muscles, passes the time and adds to the fun!
• Easy to Carry - The wrist gyro ball can be carried anywhere, whether in the office, gym or at home, it can be used as a toy to decompress and exercise at any time.
• How to use - Hold the ball horizontally with both hands, push the center of the ball with your thumbs alternately in the direction of the arrow, stop when it reaches a certain resistance, rotate the center of the ball clockwise with one hand, feel the centrifugal force generated by the center of the ball, and fight against it skillfully. Try a few more times, you will surely control it.