Feel the Hum...Enjoy the silent purring of one of the most technologically advanced vibrators ever made, the Silent Vibrations from Doc Johnson. Don’t let its elegant color and shimmering rings fool you... There’s a deep, powerful hum inside and it’s as quiet as it is insistent. Scroll control enables it for a one handed operation. Experience the purr of a tiger. Silent Vibrations....the sound of silence has never been so stimulating. Available in Pink or Baby Blue.