1. Material: ABS + PVC 2. Dimensions: inner diameter 25 cm, outer diameter 37 cm 3. Use crowd: for all ages 4. Function: waist exercise, relieve fatigue, strengthen body, reduce fat and shape 5. Small size, easy to carry, built-in steel ball pure physical vibration, site restrictions 6. The multi-function display screen records the number of revolutions, time and calories in real time 7. Hold the fitness ring with both hands, open the buckle of the fitness ring, and pull out the telescopic tube to adjust the size
1. 材质:ABS+PVC 2. 尺寸:内径25厘米,外径37厘米 3. 使用人群:老少皆宜 4. 功能:腰部锻炼,缓解疲劳,强健身体,减脂塑形 5. 体积小,携带方便,内置钢珠纯物理震动,场地限制 6. 多功能显示屏实时记录转圈次数,时间,卡路里 7. 双手扶正健身圈,打开健身圈卡扣,拉出伸缩管即可调节大小
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