Intense Dual Vibe Kit 3 Black from Nasstoys of New York. Each works independently or together. 10 functions. Waterproof vibrations. Phthalates free, RoHS compliant materials silicone and ABS plastic. Vibe 1 size length 3.55 inches, width 1.5875 inches. Vibe 2 size length 4 inches, width 1.3875 inches. Rechargeable vibrations. Charging time 1.5 hours. Working time 2 hours.