"Heats up to 42° Celsius / 107° Fahrenheit Magnetic charging port and power button located on the bottom of the hot plug 3 function Waterproof Phthalates free RoHS compliant Material: 100% silicone Buttplug Size: Length-4.75”, Width-1.75”,Circumference-5” Rechargeable Charging Time: 2hrs. Working Time: 2 hrs."