Nexus Revo Extreme is not for the faint of heart! Developed due to customer demand. this Revo has an extra wide shaft for ultimate fulfillment. The girthy 2 speed bi rotational shaft massages the prostate whilst the perineum is stimulated by a choice of 6 vibration settings simultaneously by the vibrating noduled base. Revo Extreme is waterproof and rechargeable as is the slimline remote control it comes with. Explore the 34 combinations of pleasure alone or with a partner. even take it to the bath or shower! 6 stimulation modes 2 shaft rotation speeds Bi rotationsl shaft 34 combinations of pleasure USB rechargeable Waterproof to IPX7. Can b submersed up to 1m for 30 minutes