The Screaming ? O LingO? brings extra excitement to any bedroom by adding a vibrating tongue twist to oral action for him or her. The LingO vibrating tongue ring is designed to fit any size or shape the tongue and stays in place with under tongue snug knobs, a ridged band and flat surface to keep the tongue from curling. Fit the ring below at the base of the tongue, with bullet at the top of the tongue. Press button to turn on. The battery life is 40+ minutes. Disposable fun ! - Contoured Shape Designed to Stay in Place - Super-Soft, Safe SEBS Food-Grade Silicone - Long-Lasting, Super-Powered Motor for Intense Vibrations - Waterproof - Super-Stretchy Gel Band to Fit Any Sized-Tongue - Pleasure Bumps for Enhanced Pleasure - Disposable Fun - Easy On/Off Button