Enjoy dual pleasure with the Double Up Stim-U VibeTake the Double Up and slide the bulbous head deep inside, vaginally. The premium silicone will make sure it goes in smooth. Once you've got all 3.5" inches in, feel the external nub rest against your clit for dual stimulation that can take you over the edge.
You also have the option of turning the external nub so that it penetrates anally (for DP sensations). You have all of this available to you with the simple push of a button. You can also take the Double Up into the bath or shower.