Product Name G-401 Product explain 1) The auto-changeable speed vibrator can stimulate sensitive clit part for enjoying passionate pleasure; and also can be used together with a silicone gel scorpion deep to vagina stimulate inner side of vagina for reaching climax. 2)Waterproof and wireless, durative intensive vibrations for 60minutes, battery can be changed for reuse. 3) We have patent for the product in China mainland, Taiwan, Japan, USA and European Union.