Get yourself or your partner highly stimulated by simply using The Screaming O, or The Fing O are vibrating stimulators that work when attached to your finger. You simply wear it and fit it perfectly to any of your fingers and you will be assured of an amazing, pleasurable masturbating experience or you can use it with your partner to add more juice to your sexual experiences. You have the option to select among three different designs for different vibrations. Due to the fact that they have been produced from high grade silicone, The Fing Os is water-resistant, easy to clean and 100% hypoallergenic. The Vibrations come from Screaming O super-powered vibrating bullet which operates with the use of ordinary cell watch batteries. When fully used, these batteries can last for about 80 minutes. However this does not mean the end of your lovely experience since all you have to do is put in new batteries.