Intense Power Bullet Vibrator Silver from Nasstoys of New York. Features: Rechargeable via USB, cable included. 7 function button control. Discreetly quiet operation. Waterproof vibrations. Phthalates free, RoHS compliant material ABS plastic. Size length 3.5 inches. Charging time 3 hours. Use time 2 hours and 20 minutes. Rechargeable, no batteries necessary.