This vibrator has two motors on one side with 2 Separately Controlled Vibrations to simultaneously stimulate more erogenous zones. The two synthetic vibrators also stimulate one another to create twice the impact. The Whooper Swan is a beautiful duo paired to ensure complete satisfaction and bliss. The soft silicone body feels great on the skin with smooth silicone-covered buttons to ensure safe usage. The Whooper Swan will make your body sing with delight, made from 100% Seamless Silicone it is Waterproof, Phthalate-free and Rechargeable, charger included