Deep Vibe Vibrating compression attachment for the penis. Deep Vibe has thickenings that stimulate the vagina during penetration, and the placed vibrating element provides additional pleasure for both partners. The erection tunnel, by compressing the penis, limits the blood flow to it, thus strengthening and prolonging the erection and delaying ejaculation. Material: elastomer Features: vibration Length: 7 cm Diameter: 4.5 cm Power supply : CR2016 battery (included in the package).