Optional for male, female and social. 男 女 社交三種, 滾珠瓶方便隨時補充費洛蒙 5MG/10ML (pheromones contained) 7ML roll-on bottleThree kinds of fresh aroma are added with pheromone ingredients. The roll-on bottle for easy use anytime and anywhere. 以三種清新芳香添加費洛蒙 及方便