Vibrating cock ring and clitoral stimulator in one small yet powerful package. 20 + minutes of continuous vibrating action. Easy on-off rotating dial to control the vibrations of the cock ring. Powerful vibrating pulsating action for his and her pleasure! Multi-Orgasmic. Batteries included. Super stretch one size fits all penis sizes! Also available in the Double Humm, twice the action, twice the fun! 40 plus minute run time!