Waterproof. Quiet, versatile, multi-function egg designed for solo use or with a partner. 3 functions of vibration, pulsation, and escalation. Easy to use, non-slip grip, push button, one touch activation switch conveniently located on the end of the retrieval cord. Glowing LED light in the base of the egg. ABS with Velvet-Cote (PU Cote). Batteries included (2 N).