Hero Ultimate Male Masturbator from Nasstoys. Stimulates the shaft & scrotum with dual motor vibration. Ultra quiet vibrating Water resistant Phthalates free RoHS compliant Materials: Silicone / ABS Size: Length - 6.5?, Diameter - 2.75? Voltage - 3.7V Rechargeable Charging time: 120 mins. Usage time: 60 mins.