Adore The toy fills out in the inside. A vibration is a pleasure to every body particle. The wave relief and the curved head of the toy provide additional stimulation. The wide stopper won't allow the plug to penetrate further than necessary. Powered by 1?AAA battery (included). Storage and Care: Clean with soapy water before and after use. It's recommended to use an anti-bacterial spray. Store at the temperature below +35 °C, avoid direct sunlight.