vibrating machine uses import motor, Two AG9 batteries, the wivrating vibrate longer and vibrate stablly(valid vibrating time is 30-60 minutes) The soft gum loop adopts the SEBS that is not poisonous food class soft gum, the hardness nears a callous felling, comfortable touch, the head touches beard a little bit convex have four cultivate flowers the line(butterfly, dolphin, plum flower, precious stone) design increase more interesting aspects, the ferrule had three kinds of styles(The Ring of the Lord point thick wreath, fine thin wreath, adjustable button up to take wreath) satisfy sex life medium different community, enjoy a way differently, will give sex life unprecedented feast!