Vibration and a function of the light are easily usable.
This is usable for massage.
[operation method]
It is the convenient application that vibration and a function of the light are usable.
This can use vibration and the function of the light by the simple operation of the touch & slide at the same time.
In addition, an interval to be accompanied by vibration and the light by turning a round frame of the top and bottom by a slide is changed.
