Nexus Simul8 will deliver maximum satisfaction to both you and your partner. The super stretchy cock and balls ring will keep you harder for longer whilst the ergonomically shaped vibrating shaft and base will stimulate your prostate and perineum as you thrust. 6 vibration modes. 2 motors. 48 combinations of pleasure. Waterproof. Material: Silicone USB rechargeable Item total Length: 5 inches Diameter: 1.3 inches Insertable Length: 3.9 inches One year warranty.