-10 functions -100% silicone -Ultra Powerful USB Controller -Waterproof -Phthalates free -RoHS compliant -Material: Sleeve-100% Silicone, Controller & Bullet-ABS -Charging Period: Initial charging time 8-10 hours, Subsequent charging time 2 hours -Estimated time of use when fully charged: 60 minutes Total Length: 4.75, Insertable Length: 1.5, Diameter: 1.5, Circumference: 5, Cord Length: 32 -Rechargeable no batteries necessary