Silken silicone surrounds the powerful remote control Egg, featuring 10 patterns of waves and pulses, operable from at least 10 meters away. It includes a user-friendly frequency-back function, allowing you to return to the last frequency by pressing the button twice in one second. The product is 100% waterproof, having passed 2 hours of testing in the tub. Its dimensions are 3.5 inches in length and 4.5 inches in circumference. Battery information: requires 2 x AAA batteries for the remote controller (not included) and has a rechargeable battery for the egg. It comes packed in a luxury gift box with white EVA foam inside.