Strap-on for a wild ride with the Super Penetrix. This 6"" multi-speed strap-on vibrator will drive your partner wild as you are in complete control with added stimulation from the second 3"" vaginal vibrator. Whether it is your first adventure into this special world of love making or your first tonight, you can't go wrong the Super Penetrix. Separate easy to use multi-speed control at your finger tips for your vibration, and for your partners. Uses 4 AA batteries for both controllers.