No added parts needed! This is the first self contained electro unit with vibrator, do you want to experiment with electro play, but don't want to go into the whole unit? If so then this is the set for you. A silicone vibrator which is superior over any other material a self contained electro unit so you can play with electro sensations and enjoy the feeling without the whole unit & attachment issue. This has two controls one to control the vibration & one to control the electro sensation.
Everything you need to explore the world of Electro Sex Play!!