本产品为女性盆底肌肉康复器(**球），通过长期对盆底肌肉进行锻炼，在震动和重力的双重刺激下，肌肉收缩。

This product is a female pelvic floor muscle rehabilitation device (Yin shrinking ball). Through long-term exercise of pelvic floor muscles, the muscle contraction effect is very obvious under the dual stimulation of vibration and gravity, so as to restore the firmness of private parts.