Enjoy sucking on demand with this vibrating stroker that delivers immediate suction while you press – and quick release when you don’t. A separate button offers an automatic suction option while the inner chamber buzzes with the strength of two vibrating bullets cushioned behind a deliciously textured channel. 10 vibrating speeds & patterns 5 sucking speeds & patterns Manual on-demand suction 2 vibrating bullets Stroker made from soft & stretchy TPE Insertable length 3.75“, Insertable diameter 0.75"" (Entry stretches for most) USB magnetic rechargeable, cable included Waterproof