This single-speed vibrator is eager to rock your naughty world by moving you with deep powerful vibrations. With a high-RPM motor, it offers you more power for your desires. The Rocker is made of body-safe phthalate-free ABS plastic and it’s waterproof, so you can take it into the shower. The cool diamond grip ensures your hand won't slip for the big finish. Length is 4 in. Requires 1 AA battery (not included).