Low-frequency motor for deep rumbling vibration Soft-touch coating for smooth sensations 3 speeds plus pulsation 100% waterproof Additional Details Soft-Touch Vroom Bullets combine the compact shape, 4-function motor, and soft coat of Screaming O's famous Soft-Touch Bullets with a one-of-a-kind low-frequency motor for sensations unlike anything else on the market. Following research into vibration frequency and optimal clitoral massage speeds, Screaming O developed a unique motor that buzzes with deep rumbling vibration you can feel from the inside. And thanks to a 100% waterproof soft-touch shell, users can enjoy smooth, gliding sensations in the bath or shower! These portable mini vibes pack intense power in an on-the-go size