E-Stimulation Urethral Sounding Set - SilverThe electroshock vibrating urethral plug is made for men who dare to push boundaries. The vibrating dilator provides an unparalleled sensation on and in the genitals. You effortlessly send electro waves into the penis and urethra. If you want to experience a totally new sensation, this is for you. Press power: turn on off hold for 3 seconds 4 modes: Tap Vibrating Massage Auto Controll the sensitivity turn weak strong Press speed: control the speed