PRETTY LOVE BI-014654HP Enjoy the hands-free pleasure you are looking for with the Vibrating Egg.?This egg can be used with or without a smart phone app, but you really get the most out of it if you do use the app.Aimed perfectly at your chosen erogenous zone, you can cycle through 12 powerful modes of vibration to find your ideal pleasure.??This egg is USB rechargeable and easy to clean after use.