Features: comfort soft, stretchy ring ideal for wearing on your shaft or behind your balls. Easy to use. 1 vibrating speed vibe and rated IPX7 waterproof. So it is easy to clean. Power. No watch batteries! Vibrating cock ring requires 2 AAA batteries, not included. Peace of mind. Made from Thermoplastic Elastomers TPE. Contains no fragrances, phthalates or latex. Size 3.25 inches width by 1.6 inches length.