Hero Remote Wireless Vibrating Cock Ring Black 10 functions. Smooth velvet feel. Waterproof vibrations for play outside the bedroom. Vibrating cock ring measures 2.5 inches long by 1.875 inches wide. Made using body safe, non-toxic materials Silicone ring, ABS plastic stimulator, remote control. Vibrating ring requires 2 different sizes of batteries: 2 LR44 for bullet vibrator and 1 12V battery for the remote control. Both are included. Cock rings when worn around the base of the penis and testicles, many users find that cock rings increase sexual pleasure. Prolong rings, erection enhancement, climax control rings, cock rings. A water based lubricant is recommended. Always clean before and after use. Hero Remote Wireless Cock Ring Black from Nasstoys of New York.