Commander Essential Vibrating Hot Plug Black from Nasstoys of New York. Heats up to 42 degrees Celsius or 107 degrees Fahrenheit. Power button located on the bottom of the hot plug. 3 functions. Waterproof vibrations. Phthalates free RoHS compliant material 100% silicone. Butt plug size length 6.375 inches, width 1.75 inches, circumference 5.625 inches. Rechargeable vibrating butt plug. Charging time 2 hours. Working time 2 hours.